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Finding the Fourth Proportional to 40,511.88, 60,763.52 and 10,927.88

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Solution

The fourth proportional to 40,511.88, 60,763.52 and 10,927.88 is: 16,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511.88 : 60,763.52 = 10,927.88 : x
  2. Step 2: Convert to fraction form
    40,511.88/60,763.52 = 10,927.88/x
  3. Step 3: Cross multiply
    40,511.88x = 60,763.52 × 10,927.88
  4. Step 4: Simplify right side
    40,511.88x = 664,016,454.94
  5. Step 5: Solve for x
    x = 664,016,454.94/40,511.88
  6. Step 6: Final answer
    x = 16,390.66

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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.