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Finding the Fourth Proportional to 9,074.80, 13,614.14 and 3,151.87

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Solution

The fourth proportional to 9,074.80, 13,614.14 and 3,151.87 is: 4,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.80 : 13,614.14 = 3,151.87 : x
  2. Step 2: Convert to fraction form
    9,074.80/13,614.14 = 3,151.87/x
  3. Step 3: Cross multiply
    9,074.80x = 13,614.14 × 3,151.87
  4. Step 4: Simplify right side
    9,074.80x = 42,909,949.65
  5. Step 5: Solve for x
    x = 42,909,949.65/9,074.80
  6. Step 6: Final answer
    x = 4,728.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.