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Finding the Fourth Proportional to 48,870.54, 67,442.22 and 27,654.21

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Solution

The fourth proportional to 48,870.54, 67,442.22 and 27,654.21 is: 38,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,870.54 : 67,442.22 = 27,654.21 : x
  2. Step 2: Convert to fraction form
    48,870.54/67,442.22 = 27,654.21/x
  3. Step 3: Cross multiply
    48,870.54x = 67,442.22 × 27,654.21
  4. Step 4: Simplify right side
    48,870.54x = 1,865,061,314.75
  5. Step 5: Solve for x
    x = 1,865,061,314.75/48,870.54
  6. Step 6: Final answer
    x = 38,163.30

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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.