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Finding the Fourth Proportional to 19,906.01, 29,866.19 and 10,037.85

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Solution

The fourth proportional to 19,906.01, 29,866.19 and 10,037.85 is: 15,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.01 : 29,866.19 = 10,037.85 : x
  2. Step 2: Convert to fraction form
    19,906.01/29,866.19 = 10,037.85/x
  3. Step 3: Cross multiply
    19,906.01x = 29,866.19 × 10,037.85
  4. Step 4: Simplify right side
    19,906.01x = 299,792,335.29
  5. Step 5: Solve for x
    x = 299,792,335.29/19,906.01
  6. Step 6: Final answer
    x = 15,060.39

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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.