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Finding the Fourth Proportional to 52,887.92, 79,332.12 and 17,827.88

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Solution

The fourth proportional to 52,887.92, 79,332.12 and 17,827.88 is: 26,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,887.92 : 79,332.12 = 17,827.88 : x
  2. Step 2: Convert to fraction form
    52,887.92/79,332.12 = 17,827.88/x
  3. Step 3: Cross multiply
    52,887.92x = 79,332.12 × 17,827.88
  4. Step 4: Simplify right side
    52,887.92x = 1,414,323,118.85
  5. Step 5: Solve for x
    x = 1,414,323,118.85/52,887.92
  6. Step 6: Final answer
    x = 26,741.90

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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.