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Finding the Fourth Proportional to 66,870.96, 100,311.28 and 22,497.52

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Solution

The fourth proportional to 66,870.96, 100,311.28 and 22,497.52 is: 33,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,870.96 : 100,311.28 = 22,497.52 : x
  2. Step 2: Convert to fraction form
    66,870.96/100,311.28 = 22,497.52/x
  3. Step 3: Cross multiply
    66,870.96x = 100,311.28 × 22,497.52
  4. Step 4: Simplify right side
    66,870.96x = 2,256,755,028.03
  5. Step 5: Solve for x
    x = 2,256,755,028.03/66,870.96
  6. Step 6: Final answer
    x = 33,747.91

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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.