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Finding the Fourth Proportional to 56,251.97, 77,624.53 and 30,753.60

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Solution

The fourth proportional to 56,251.97, 77,624.53 and 30,753.60 is: 42,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,251.97 : 77,624.53 = 30,753.60 : x
  2. Step 2: Convert to fraction form
    56,251.97/77,624.53 = 30,753.60/x
  3. Step 3: Cross multiply
    56,251.97x = 77,624.53 × 30,753.60
  4. Step 4: Simplify right side
    56,251.97x = 2,387,233,596.15
  5. Step 5: Solve for x
    x = 2,387,233,596.15/56,251.97
  6. Step 6: Final answer
    x = 42,438.22

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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.