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Finding the Fourth Proportional to 8,734.68, 12,044.28 and 7,605.54

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Solution

The fourth proportional to 8,734.68, 12,044.28 and 7,605.54 is: 10,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.68 : 12,044.28 = 7,605.54 : x
  2. Step 2: Convert to fraction form
    8,734.68/12,044.28 = 7,605.54/x
  3. Step 3: Cross multiply
    8,734.68x = 12,044.28 × 7,605.54
  4. Step 4: Simplify right side
    8,734.68x = 91,603,253.31
  5. Step 5: Solve for x
    x = 91,603,253.31/8,734.68
  6. Step 6: Final answer
    x = 10,487.31

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1.5x scale

Why These Related Problems?

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