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Finding the Fourth Proportional to 14,773.86, 20,377.44 and 8,800.92

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Solution

The fourth proportional to 14,773.86, 20,377.44 and 8,800.92 is: 12,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773.86 : 20,377.44 = 8,800.92 : x
  2. Step 2: Convert to fraction form
    14,773.86/20,377.44 = 8,800.92/x
  3. Step 3: Cross multiply
    14,773.86x = 20,377.44 × 8,800.92
  4. Step 4: Simplify right side
    14,773.86x = 179,340,219.24
  5. Step 5: Solve for x
    x = 179,340,219.24/14,773.86
  6. Step 6: Final answer
    x = 12,139.02

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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.