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Finding the Fourth Proportional to 7,608.61, 11,424.39 and 6,207.31

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Solution

The fourth proportional to 7,608.61, 11,424.39 and 6,207.31 is: 9,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.61 : 11,424.39 = 6,207.31 : x
  2. Step 2: Convert to fraction form
    7,608.61/11,424.39 = 6,207.31/x
  3. Step 3: Cross multiply
    7,608.61x = 11,424.39 × 6,207.31
  4. Step 4: Simplify right side
    7,608.61x = 70,914,730.29
  5. Step 5: Solve for x
    x = 70,914,730.29/7,608.61
  6. Step 6: Final answer
    x = 9,320.33

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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.