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Finding the Fourth Proportional to 34,342.80, 51,517.98 and 10,963.80

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Solution

The fourth proportional to 34,342.80, 51,517.98 and 10,963.80 is: 16,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,342.80 : 51,517.98 = 10,963.80 : x
  2. Step 2: Convert to fraction form
    34,342.80/51,517.98 = 10,963.80/x
  3. Step 3: Cross multiply
    34,342.80x = 51,517.98 × 10,963.80
  4. Step 4: Simplify right side
    34,342.80x = 564,832,829.12
  5. Step 5: Solve for x
    x = 564,832,829.12/34,342.80
  6. Step 6: Final answer
    x = 16,446.91

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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.