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Finding the Fourth Proportional to 11,146,595.20, 15,586,337.60 and 11,146,595.20

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Solution

The fourth proportional to 11,146,595.20, 15,586,337.60 and 11,146,595.20 is: 15,586,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146,595.20 : 15,586,337.60 = 11,146,595.20 : x
  2. Step 2: Convert to fraction form
    11,146,595.20/15,586,337.60 = 11,146,595.20/x
  3. Step 3: Cross multiply
    11,146,595.20x = 15,586,337.60 × 11,146,595.20
  4. Step 4: Simplify right side
    11,146,595.20x = 173,734,595,877,739.50
  5. Step 5: Solve for x
    x = 173,734,595,877,739.50/11,146,595.20
  6. Step 6: Final answer
    x = 15,586,337.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.