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Finding the Fourth Proportional to 66,966.85, 100,450.18 and 27,496.18

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Solution

The fourth proportional to 66,966.85, 100,450.18 and 27,496.18 is: 41,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,966.85 : 100,450.18 = 27,496.18 : x
  2. Step 2: Convert to fraction form
    66,966.85/100,450.18 = 27,496.18/x
  3. Step 3: Cross multiply
    66,966.85x = 100,450.18 × 27,496.18
  4. Step 4: Simplify right side
    66,966.85x = 2,761,996,230.31
  5. Step 5: Solve for x
    x = 2,761,996,230.31/66,966.85
  6. Step 6: Final answer
    x = 41,244.23

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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.