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Finding the Fourth Proportional to 66,967.14, 100,450.71 and 25,414.14

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Solution

The fourth proportional to 66,967.14, 100,450.71 and 25,414.14 is: 38,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,967.14 : 100,450.71 = 25,414.14 : x
  2. Step 2: Convert to fraction form
    66,967.14/100,450.71 = 25,414.14/x
  3. Step 3: Cross multiply
    66,967.14x = 100,450.71 × 25,414.14
  4. Step 4: Simplify right side
    66,967.14x = 2,552,868,407.04
  5. Step 5: Solve for x
    x = 2,552,868,407.04/66,967.14
  6. Step 6: Final answer
    x = 38,121.21

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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.