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Finding the Fourth Proportional to 6,242.53, 8,614.69 and 3,590.79

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Solution

The fourth proportional to 6,242.53, 8,614.69 and 3,590.79 is: 4,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.53 : 8,614.69 = 3,590.79 : x
  2. Step 2: Convert to fraction form
    6,242.53/8,614.69 = 3,590.79/x
  3. Step 3: Cross multiply
    6,242.53x = 8,614.69 × 3,590.79
  4. Step 4: Simplify right side
    6,242.53x = 30,933,542.71
  5. Step 5: Solve for x
    x = 30,933,542.71/6,242.53
  6. Step 6: Final answer
    x = 4,955.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.