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Finding the Fourth Proportional to 59,397.92, 89,078.25 and 19,407.79

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Solution

The fourth proportional to 59,397.92, 89,078.25 and 19,407.79 is: 29,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,397.92 : 89,078.25 = 19,407.79 : x
  2. Step 2: Convert to fraction form
    59,397.92/89,078.25 = 19,407.79/x
  3. Step 3: Cross multiply
    59,397.92x = 89,078.25 × 19,407.79
  4. Step 4: Simplify right side
    59,397.92x = 1,728,811,524.18
  5. Step 5: Solve for x
    x = 1,728,811,524.18/59,397.92
  6. Step 6: Final answer
    x = 29,105.59

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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.