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Finding the Fourth Proportional to 66,825.75, 100,253.57 and 22,451.29

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Solution

The fourth proportional to 66,825.75, 100,253.57 and 22,451.29 is: 33,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,825.75 : 100,253.57 = 22,451.29 : x
  2. Step 2: Convert to fraction form
    66,825.75/100,253.57 = 22,451.29/x
  3. Step 3: Cross multiply
    66,825.75x = 100,253.57 × 22,451.29
  4. Step 4: Simplify right side
    66,825.75x = 2,250,821,472.34
  5. Step 5: Solve for x
    x = 2,250,821,472.34/66,825.75
  6. Step 6: Final answer
    x = 33,681.95

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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.