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Finding the Fourth Proportional to 19,084,234.40, 28,626,351.60 and 19,084,234.40

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Solution

The fourth proportional to 19,084,234.40, 28,626,351.60 and 19,084,234.40 is: 28,626,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,084,234.40 : 28,626,351.60 = 19,084,234.40 : x
  2. Step 2: Convert to fraction form
    19,084,234.40/28,626,351.60 = 19,084,234.40/x
  3. Step 3: Cross multiply
    19,084,234.40x = 28,626,351.60 × 19,084,234.40
  4. Step 4: Simplify right side
    19,084,234.40x = 546,312,003,951,215
  5. Step 5: Solve for x
    x = 546,312,003,951,215/19,084,234.40
  6. Step 6: Final answer
    x = 28,626,351.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.