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Finding the Fourth Proportional to 29,935.71, 44,792.19 and 18,790.20

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Solution

The fourth proportional to 29,935.71, 44,792.19 and 18,790.20 is: 28,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,935.71 : 44,792.19 = 18,790.20 : x
  2. Step 2: Convert to fraction form
    29,935.71/44,792.19 = 18,790.20/x
  3. Step 3: Cross multiply
    29,935.71x = 44,792.19 × 18,790.20
  4. Step 4: Simplify right side
    29,935.71x = 841,654,208.54
  5. Step 5: Solve for x
    x = 841,654,208.54/29,935.71
  6. Step 6: Final answer
    x = 28,115.39

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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.