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Finding the Fourth Proportional to 52,536.80, 78,862.80 and 29,151.20

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Solution

The fourth proportional to 52,536.80, 78,862.80 and 29,151.20 is: 43,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,536.80 : 78,862.80 = 29,151.20 : x
  2. Step 2: Convert to fraction form
    52,536.80/78,862.80 = 29,151.20/x
  3. Step 3: Cross multiply
    52,536.80x = 78,862.80 × 29,151.20
  4. Step 4: Simplify right side
    52,536.80x = 2,298,945,255.36
  5. Step 5: Solve for x
    x = 2,298,945,255.36/52,536.80
  6. Step 6: Final answer
    x = 43,758.76

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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.