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Finding the Fourth Proportional to 52,502.76, 72,453.42 and 28,629.36

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Solution

The fourth proportional to 52,502.76, 72,453.42 and 28,629.36 is: 39,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,502.76 : 72,453.42 = 28,629.36 : x
  2. Step 2: Convert to fraction form
    52,502.76/72,453.42 = 28,629.36/x
  3. Step 3: Cross multiply
    52,502.76x = 72,453.42 × 28,629.36
  4. Step 4: Simplify right side
    52,502.76x = 2,074,295,044.41
  5. Step 5: Solve for x
    x = 2,074,295,044.41/52,502.76
  6. Step 6: Final answer
    x = 39,508.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.