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Finding the Fourth Proportional to 48,871.88, 67,425 and 27,635.24

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Solution

The fourth proportional to 48,871.88, 67,425 and 27,635.24 is: 38,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,871.88 : 67,425 = 27,635.24 : x
  2. Step 2: Convert to fraction form
    48,871.88/67,425 = 27,635.24/x
  3. Step 3: Cross multiply
    48,871.88x = 67,425 × 27,635.24
  4. Step 4: Simplify right side
    48,871.88x = 1,863,306,057
  5. Step 5: Solve for x
    x = 1,863,306,057/48,871.88
  6. Step 6: Final answer
    x = 38,126.34

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1.5x scale

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.