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Finding the Fourth Proportional to 59,353.47, 89,001.45 and 21,931.16

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Solution

The fourth proportional to 59,353.47, 89,001.45 and 21,931.16 is: 32,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,353.47 : 89,001.45 = 21,931.16 : x
  2. Step 2: Convert to fraction form
    59,353.47/89,001.45 = 21,931.16/x
  3. Step 3: Cross multiply
    59,353.47x = 89,001.45 × 21,931.16
  4. Step 4: Simplify right side
    59,353.47x = 1,951,904,595.17
  5. Step 5: Solve for x
    x = 1,951,904,595.17/59,353.47
  6. Step 6: Final answer
    x = 32,886.11

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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.