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Finding the Fourth Proportional to 48,665, 67,157.86 and 26,309.16

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Solution

The fourth proportional to 48,665, 67,157.86 and 26,309.16 is: 36,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,665 : 67,157.86 = 26,309.16 : x
  2. Step 2: Convert to fraction form
    48,665/67,157.86 = 26,309.16/x
  3. Step 3: Cross multiply
    48,665x = 67,157.86 × 26,309.16
  4. Step 4: Simplify right side
    48,665x = 1,766,866,884.00
  5. Step 5: Solve for x
    x = 1,766,866,884.00/48,665
  6. Step 6: Final answer
    x = 36,306.73

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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.