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Finding the Fourth Proportional to 58,035.89, 87,134.54 and 29,976.68

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Solution

The fourth proportional to 58,035.89, 87,134.54 and 29,976.68 is: 45,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,035.89 : 87,134.54 = 29,976.68 : x
  2. Step 2: Convert to fraction form
    58,035.89/87,134.54 = 29,976.68/x
  3. Step 3: Cross multiply
    58,035.89x = 87,134.54 × 29,976.68
  4. Step 4: Simplify right side
    58,035.89x = 2,612,004,290.48
  5. Step 5: Solve for x
    x = 2,612,004,290.48/58,035.89
  6. Step 6: Final answer
    x = 45,006.70

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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.