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Finding the Fourth Proportional to 48,654.80, 67,144.96 and 27,432.80

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Solution

The fourth proportional to 48,654.80, 67,144.96 and 27,432.80 is: 37,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,654.80 : 67,144.96 = 27,432.80 : x
  2. Step 2: Convert to fraction form
    48,654.80/67,144.96 = 27,432.80/x
  3. Step 3: Cross multiply
    48,654.80x = 67,144.96 × 27,432.80
  4. Step 4: Simplify right side
    48,654.80x = 1,841,974,258.69
  5. Step 5: Solve for x
    x = 1,841,974,258.69/48,654.80
  6. Step 6: Final answer
    x = 37,858.02

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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.