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Finding the Fourth Proportional to 8,365.62, 12,475.33 and 7,330.44

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Solution

The fourth proportional to 8,365.62, 12,475.33 and 7,330.44 is: 10,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.62 : 12,475.33 = 7,330.44 : x
  2. Step 2: Convert to fraction form
    8,365.62/12,475.33 = 7,330.44/x
  3. Step 3: Cross multiply
    8,365.62x = 12,475.33 × 7,330.44
  4. Step 4: Simplify right side
    8,365.62x = 91,449,658.05
  5. Step 5: Solve for x
    x = 91,449,658.05/8,365.62
  6. Step 6: Final answer
    x = 10,931.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.