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Finding the Fourth Proportional to 9,239.84, 12,761.56 and 6,733.20

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Solution

The fourth proportional to 9,239.84, 12,761.56 and 6,733.20 is: 9,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.84 : 12,761.56 = 6,733.20 : x
  2. Step 2: Convert to fraction form
    9,239.84/12,761.56 = 6,733.20/x
  3. Step 3: Cross multiply
    9,239.84x = 12,761.56 × 6,733.20
  4. Step 4: Simplify right side
    9,239.84x = 85,926,135.79
  5. Step 5: Solve for x
    x = 85,926,135.79/9,239.84
  6. Step 6: Final answer
    x = 9,299.53

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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.