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Finding the Fourth Proportional to 48,251.40, 72,434.70 and 27,208.20

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Solution

The fourth proportional to 48,251.40, 72,434.70 and 27,208.20 is: 40,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,251.40 : 72,434.70 = 27,208.20 : x
  2. Step 2: Convert to fraction form
    48,251.40/72,434.70 = 27,208.20/x
  3. Step 3: Cross multiply
    48,251.40x = 72,434.70 × 27,208.20
  4. Step 4: Simplify right side
    48,251.40x = 1,970,817,804.54
  5. Step 5: Solve for x
    x = 1,970,817,804.54/48,251.40
  6. Step 6: Final answer
    x = 40,844.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.