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Finding the Fourth Proportional to 68,773.61, 94,924.47 and 41,930.92

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Solution

The fourth proportional to 68,773.61, 94,924.47 and 41,930.92 is: 57,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,773.61 : 94,924.47 = 41,930.92 : x
  2. Step 2: Convert to fraction form
    68,773.61/94,924.47 = 41,930.92/x
  3. Step 3: Cross multiply
    68,773.61x = 94,924.47 × 41,930.92
  4. Step 4: Simplify right side
    68,773.61x = 3,980,270,147.96
  5. Step 5: Solve for x
    x = 3,980,270,147.96/68,773.61
  6. Step 6: Final answer
    x = 57,874.96

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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.