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Finding the Fourth Proportional to 10,254,852.90, 15,382,279.35 and 10,254,852.90

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Solution

The fourth proportional to 10,254,852.90, 15,382,279.35 and 10,254,852.90 is: 15,382,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254,852.90 : 15,382,279.35 = 10,254,852.90 : x
  2. Step 2: Convert to fraction form
    10,254,852.90/15,382,279.35 = 10,254,852.90/x
  3. Step 3: Cross multiply
    10,254,852.90x = 15,382,279.35 × 10,254,852.90
  4. Step 4: Simplify right side
    10,254,852.90x = 157,743,012,000,957.62
  5. Step 5: Solve for x
    x = 157,743,012,000,957.62/10,254,852.90
  6. Step 6: Final answer
    x = 15,382,279.35

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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.