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Finding the Fourth Proportional to 66,902.91, 92,324.63 and 41,402.49

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Solution

The fourth proportional to 66,902.91, 92,324.63 and 41,402.49 is: 57,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,902.91 : 92,324.63 = 41,402.49 : x
  2. Step 2: Convert to fraction form
    66,902.91/92,324.63 = 41,402.49/x
  3. Step 3: Cross multiply
    66,902.91x = 92,324.63 × 41,402.49
  4. Step 4: Simplify right side
    66,902.91x = 3,822,469,363.32
  5. Step 5: Solve for x
    x = 3,822,469,363.32/66,902.91
  6. Step 6: Final answer
    x = 57,134.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.