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Finding the Fourth Proportional to 60,612.80, 90,854.40 and 27,327.20

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Solution

The fourth proportional to 60,612.80, 90,854.40 and 27,327.20 is: 40,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,612.80 : 90,854.40 = 27,327.20 : x
  2. Step 2: Convert to fraction form
    60,612.80/90,854.40 = 27,327.20/x
  3. Step 3: Cross multiply
    60,612.80x = 90,854.40 × 27,327.20
  4. Step 4: Simplify right side
    60,612.80x = 2,482,796,359.68
  5. Step 5: Solve for x
    x = 2,482,796,359.68/60,612.80
  6. Step 6: Final answer
    x = 40,961.59

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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.