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Finding the Fourth Proportional to 52,567.56, 72,541.17 and 28,694.21

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Solution

The fourth proportional to 52,567.56, 72,541.17 and 28,694.21 is: 39,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,567.56 : 72,541.17 = 28,694.21 : x
  2. Step 2: Convert to fraction form
    52,567.56/72,541.17 = 28,694.21/x
  3. Step 3: Cross multiply
    52,567.56x = 72,541.17 × 28,694.21
  4. Step 4: Simplify right side
    52,567.56x = 2,081,511,202.92
  5. Step 5: Solve for x
    x = 2,081,511,202.92/52,567.56
  6. Step 6: Final answer
    x = 39,596.88

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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.