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Finding the Fourth Proportional to 57,641.71, 86,479.28 and 23,901.47

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Solution

The fourth proportional to 57,641.71, 86,479.28 and 23,901.47 is: 35,859.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,641.71 : 86,479.28 = 23,901.47 : x
  2. Step 2: Convert to fraction form
    57,641.71/86,479.28 = 23,901.47/x
  3. Step 3: Cross multiply
    57,641.71x = 86,479.28 × 23,901.47
  4. Step 4: Simplify right side
    57,641.71x = 2,066,981,916.54
  5. Step 5: Solve for x
    x = 2,066,981,916.54/57,641.71
  6. Step 6: Final answer
    x = 35,859.14

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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.