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Finding the Fourth Proportional to 48,975, 67,585.50 and 29,103

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Solution

The fourth proportional to 48,975, 67,585.50 and 29,103 is: 40,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,975 : 67,585.50 = 29,103 : x
  2. Step 2: Convert to fraction form
    48,975/67,585.50 = 29,103/x
  3. Step 3: Cross multiply
    48,975x = 67,585.50 × 29,103
  4. Step 4: Simplify right side
    48,975x = 1,966,940,806.50
  5. Step 5: Solve for x
    x = 1,966,940,806.50/48,975
  6. Step 6: Final answer
    x = 40,162.14

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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.