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Finding the Fourth Proportional to 14,777.85, 22,166.97 and 4,917.13

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Solution

The fourth proportional to 14,777.85, 22,166.97 and 4,917.13 is: 7,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.85 : 22,166.97 = 4,917.13 : x
  2. Step 2: Convert to fraction form
    14,777.85/22,166.97 = 4,917.13/x
  3. Step 3: Cross multiply
    14,777.85x = 22,166.97 × 4,917.13
  4. Step 4: Simplify right side
    14,777.85x = 108,997,873.20
  5. Step 5: Solve for x
    x = 108,997,873.20/14,777.85
  6. Step 6: Final answer
    x = 7,375.76

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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.