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Finding the Fourth Proportional to 48,892.80, 67,471.72 and 27,671.64

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Solution

The fourth proportional to 48,892.80, 67,471.72 and 27,671.64 is: 38,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,892.80 : 67,471.72 = 27,671.64 : x
  2. Step 2: Convert to fraction form
    48,892.80/67,471.72 = 27,671.64/x
  3. Step 3: Cross multiply
    48,892.80x = 67,471.72 × 27,671.64
  4. Step 4: Simplify right side
    48,892.80x = 1,867,053,146.02
  5. Step 5: Solve for x
    x = 1,867,053,146.02/48,892.80
  6. Step 6: Final answer
    x = 38,186.67

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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.