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Finding the Fourth Proportional to 68,959.40, 103,447.19 and 24,592.46

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Solution

The fourth proportional to 68,959.40, 103,447.19 and 24,592.46 is: 36,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,959.40 : 103,447.19 = 24,592.46 : x
  2. Step 2: Convert to fraction form
    68,959.40/103,447.19 = 24,592.46/x
  3. Step 3: Cross multiply
    68,959.40x = 103,447.19 × 24,592.46
  4. Step 4: Simplify right side
    68,959.40x = 2,544,020,426.43
  5. Step 5: Solve for x
    x = 2,544,020,426.43/68,959.40
  6. Step 6: Final answer
    x = 36,891.57

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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.