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Finding the Fourth Proportional to 6,248.65, 9,372.96 and 2,087.71

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Solution

The fourth proportional to 6,248.65, 9,372.96 and 2,087.71 is: 3,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.65 : 9,372.96 = 2,087.71 : x
  2. Step 2: Convert to fraction form
    6,248.65/9,372.96 = 2,087.71/x
  3. Step 3: Cross multiply
    6,248.65x = 9,372.96 × 2,087.71
  4. Step 4: Simplify right side
    6,248.65x = 19,567,998.89
  5. Step 5: Solve for x
    x = 19,567,998.89/6,248.65
  6. Step 6: Final answer
    x = 3,131.56

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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.