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Finding the Fourth Proportional to 66,882.28, 100,318.30 and 24,742.55

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Solution

The fourth proportional to 66,882.28, 100,318.30 and 24,742.55 is: 37,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,882.28 : 100,318.30 = 24,742.55 : x
  2. Step 2: Convert to fraction form
    66,882.28/100,318.30 = 24,742.55/x
  3. Step 3: Cross multiply
    66,882.28x = 100,318.30 × 24,742.55
  4. Step 4: Simplify right side
    66,882.28x = 2,482,130,553.67
  5. Step 5: Solve for x
    x = 2,482,130,553.67/66,882.28
  6. Step 6: Final answer
    x = 37,111.93

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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.