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Finding the Fourth Proportional to 58,103.68, 87,044.44 and 39,291.52

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Solution

The fourth proportional to 58,103.68, 87,044.44 and 39,291.52 is: 58,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,103.68 : 87,044.44 = 39,291.52 : x
  2. Step 2: Convert to fraction form
    58,103.68/87,044.44 = 39,291.52/x
  3. Step 3: Cross multiply
    58,103.68x = 87,044.44 × 39,291.52
  4. Step 4: Simplify right side
    58,103.68x = 3,420,108,355.15
  5. Step 5: Solve for x
    x = 3,420,108,355.15/58,103.68
  6. Step 6: Final answer
    x = 58,862.16

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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.