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Finding the Fourth Proportional to 52,497.97, 78,659.29 and 36,887.65

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Solution

The fourth proportional to 52,497.97, 78,659.29 and 36,887.65 is: 55,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497.97 : 78,659.29 = 36,887.65 : x
  2. Step 2: Convert to fraction form
    52,497.97/78,659.29 = 36,887.65/x
  3. Step 3: Cross multiply
    52,497.97x = 78,659.29 × 36,887.65
  4. Step 4: Simplify right side
    52,497.97x = 2,901,556,358.77
  5. Step 5: Solve for x
    x = 2,901,556,358.77/52,497.97
  6. Step 6: Final answer
    x = 55,269.88

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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.