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Finding the Fourth Proportional to 68,691.96, 94,802.88 and 41,850.24

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Solution

The fourth proportional to 68,691.96, 94,802.88 and 41,850.24 is: 57,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,691.96 : 94,802.88 = 41,850.24 : x
  2. Step 2: Convert to fraction form
    68,691.96/94,802.88 = 41,850.24/x
  3. Step 3: Cross multiply
    68,691.96x = 94,802.88 × 41,850.24
  4. Step 4: Simplify right side
    68,691.96x = 3,967,523,280.69
  5. Step 5: Solve for x
    x = 3,967,523,280.69/68,691.96
  6. Step 6: Final answer
    x = 57,758.19

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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.