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Finding the Fourth Proportional to 66,974.03, 100,390.89 and 22,585.49

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Solution

The fourth proportional to 66,974.03, 100,390.89 and 22,585.49 is: 33,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,974.03 : 100,390.89 = 22,585.49 : x
  2. Step 2: Convert to fraction form
    66,974.03/100,390.89 = 22,585.49/x
  3. Step 3: Cross multiply
    66,974.03x = 100,390.89 × 22,585.49
  4. Step 4: Simplify right side
    66,974.03x = 2,267,377,442.19
  5. Step 5: Solve for x
    x = 2,267,377,442.19/66,974.03
  6. Step 6: Final answer
    x = 33,854.58

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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.