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Finding the Fourth Proportional to 6,614.67, 9,925.49 and 2,919.45

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Solution

The fourth proportional to 6,614.67, 9,925.49 and 2,919.45 is: 4,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.67 : 9,925.49 = 2,919.45 : x
  2. Step 2: Convert to fraction form
    6,614.67/9,925.49 = 2,919.45/x
  3. Step 3: Cross multiply
    6,614.67x = 9,925.49 × 2,919.45
  4. Step 4: Simplify right side
    6,614.67x = 28,976,957.18
  5. Step 5: Solve for x
    x = 28,976,957.18/6,614.67
  6. Step 6: Final answer
    x = 4,380.71

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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.