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Finding the Fourth Proportional to 48,841.48, 67,402.71 and 27,620.32

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Solution

The fourth proportional to 48,841.48, 67,402.71 and 27,620.32 is: 38,116.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,841.48 : 67,402.71 = 27,620.32 : x
  2. Step 2: Convert to fraction form
    48,841.48/67,402.71 = 27,620.32/x
  3. Step 3: Cross multiply
    48,841.48x = 67,402.71 × 27,620.32
  4. Step 4: Simplify right side
    48,841.48x = 1,861,684,419.07
  5. Step 5: Solve for x
    x = 1,861,684,419.07/48,841.48
  6. Step 6: Final answer
    x = 38,116.87

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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.