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Finding the Fourth Proportional to 52,502.20, 72,454.08 and 28,629.52

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Solution

The fourth proportional to 52,502.20, 72,454.08 and 28,629.52 is: 39,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,502.20 : 72,454.08 = 28,629.52 : x
  2. Step 2: Convert to fraction form
    52,502.20/72,454.08 = 28,629.52/x
  3. Step 3: Cross multiply
    52,502.20x = 72,454.08 × 28,629.52
  4. Step 4: Simplify right side
    52,502.20x = 2,074,325,532.44
  5. Step 5: Solve for x
    x = 2,074,325,532.44/52,502.20
  6. Step 6: Final answer
    x = 39,509.31

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