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Finding the Fourth Proportional to 8,347.46, 12,521.46 and 3,962.66

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Solution

The fourth proportional to 8,347.46, 12,521.46 and 3,962.66 is: 5,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.46 : 12,521.46 = 3,962.66 : x
  2. Step 2: Convert to fraction form
    8,347.46/12,521.46 = 3,962.66/x
  3. Step 3: Cross multiply
    8,347.46x = 12,521.46 × 3,962.66
  4. Step 4: Simplify right side
    8,347.46x = 49,618,288.68
  5. Step 5: Solve for x
    x = 49,618,288.68/8,347.46
  6. Step 6: Final answer
    x = 5,944.12

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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.