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Finding the Fourth Proportional to 59,412.31, 89,129.71 and 23,876.40

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Solution

The fourth proportional to 59,412.31, 89,129.71 and 23,876.40 is: 35,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,412.31 : 89,129.71 = 23,876.40 : x
  2. Step 2: Convert to fraction form
    59,412.31/89,129.71 = 23,876.40/x
  3. Step 3: Cross multiply
    59,412.31x = 89,129.71 × 23,876.40
  4. Step 4: Simplify right side
    59,412.31x = 2,128,096,607.84
  5. Step 5: Solve for x
    x = 2,128,096,607.84/59,412.31
  6. Step 6: Final answer
    x = 35,819.12

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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.