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Finding the Fourth Proportional to 52,272.70, 78,279.45 and 41,904.70

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Solution

The fourth proportional to 52,272.70, 78,279.45 and 41,904.70 is: 62,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,272.70 : 78,279.45 = 41,904.70 : x
  2. Step 2: Convert to fraction form
    52,272.70/78,279.45 = 41,904.70/x
  3. Step 3: Cross multiply
    52,272.70x = 78,279.45 × 41,904.70
  4. Step 4: Simplify right side
    52,272.70x = 3,280,276,868.42
  5. Step 5: Solve for x
    x = 3,280,276,868.42/52,272.70
  6. Step 6: Final answer
    x = 62,753.16

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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.