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Finding the Fourth Proportional to 9,233.76, 12,747.60 and 6,248.64

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Solution

The fourth proportional to 9,233.76, 12,747.60 and 6,248.64 is: 8,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,233.76 : 12,747.60 = 6,248.64 : x
  2. Step 2: Convert to fraction form
    9,233.76/12,747.60 = 6,248.64/x
  3. Step 3: Cross multiply
    9,233.76x = 12,747.60 × 6,248.64
  4. Step 4: Simplify right side
    9,233.76x = 79,655,163.26
  5. Step 5: Solve for x
    x = 79,655,163.26/9,233.76
  6. Step 6: Final answer
    x = 8,626.51

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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.