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Finding the Fourth Proportional to 7,251.30, 9,968.31 and 6,239.31

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Solution

The fourth proportional to 7,251.30, 9,968.31 and 6,239.31 is: 8,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.30 : 9,968.31 = 6,239.31 : x
  2. Step 2: Convert to fraction form
    7,251.30/9,968.31 = 6,239.31/x
  3. Step 3: Cross multiply
    7,251.30x = 9,968.31 × 6,239.31
  4. Step 4: Simplify right side
    7,251.30x = 62,195,376.27
  5. Step 5: Solve for x
    x = 62,195,376.27/7,251.30
  6. Step 6: Final answer
    x = 8,577.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.