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Finding the Fourth Proportional to 48,354.30, 66,724.47 and 27,129.66

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Solution

The fourth proportional to 48,354.30, 66,724.47 and 27,129.66 is: 37,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,354.30 : 66,724.47 = 27,129.66 : x
  2. Step 2: Convert to fraction form
    48,354.30/66,724.47 = 27,129.66/x
  3. Step 3: Cross multiply
    48,354.30x = 66,724.47 × 27,129.66
  4. Step 4: Simplify right side
    48,354.30x = 1,810,212,184.78
  5. Step 5: Solve for x
    x = 1,810,212,184.78/48,354.30
  6. Step 6: Final answer
    x = 37,436.43

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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.