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Finding the Fourth Proportional to 66,680.01, 100,033.67 and 22,307.15

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Solution

The fourth proportional to 66,680.01, 100,033.67 and 22,307.15 is: 33,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,680.01 : 100,033.67 = 22,307.15 : x
  2. Step 2: Convert to fraction form
    66,680.01/100,033.67 = 22,307.15/x
  3. Step 3: Cross multiply
    66,680.01x = 100,033.67 × 22,307.15
  4. Step 4: Simplify right side
    66,680.01x = 2,231,466,387.59
  5. Step 5: Solve for x
    x = 2,231,466,387.59/66,680.01
  6. Step 6: Final answer
    x = 33,465.30

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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.