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Finding the Fourth Proportional to 58,542.96, 87,642.18 and 36,284.88

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Solution

The fourth proportional to 58,542.96, 87,642.18 and 36,284.88 is: 54,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,542.96 : 87,642.18 = 36,284.88 : x
  2. Step 2: Convert to fraction form
    58,542.96/87,642.18 = 36,284.88/x
  3. Step 3: Cross multiply
    58,542.96x = 87,642.18 × 36,284.88
  4. Step 4: Simplify right side
    58,542.96x = 3,180,085,984.24
  5. Step 5: Solve for x
    x = 3,180,085,984.24/58,542.96
  6. Step 6: Final answer
    x = 54,320.55

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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.