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Finding the Fourth Proportional to 54,773.61, 75,591.08 and 30,891.57

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Solution

The fourth proportional to 54,773.61, 75,591.08 and 30,891.57 is: 42,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,773.61 : 75,591.08 = 30,891.57 : x
  2. Step 2: Convert to fraction form
    54,773.61/75,591.08 = 30,891.57/x
  3. Step 3: Cross multiply
    54,773.61x = 75,591.08 × 30,891.57
  4. Step 4: Simplify right side
    54,773.61x = 2,335,126,984.74
  5. Step 5: Solve for x
    x = 2,335,126,984.74/54,773.61
  6. Step 6: Final answer
    x = 42,632.34

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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.