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Finding the Fourth Proportional to 58,332, 87,512.88 and 16,779.12

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Solution

The fourth proportional to 58,332, 87,512.88 and 16,779.12 is: 25,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,332 : 87,512.88 = 16,779.12 : x
  2. Step 2: Convert to fraction form
    58,332/87,512.88 = 16,779.12/x
  3. Step 3: Cross multiply
    58,332x = 87,512.88 × 16,779.12
  4. Step 4: Simplify right side
    58,332x = 1,468,389,115.07
  5. Step 5: Solve for x
    x = 1,468,389,115.07/58,332
  6. Step 6: Final answer
    x = 25,172.96

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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.