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Finding the Fourth Proportional to 8,359.84, 12,540.98 and 4,462.12

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Solution

The fourth proportional to 8,359.84, 12,540.98 and 4,462.12 is: 6,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.84 : 12,540.98 = 4,462.12 : x
  2. Step 2: Convert to fraction form
    8,359.84/12,540.98 = 4,462.12/x
  3. Step 3: Cross multiply
    8,359.84x = 12,540.98 × 4,462.12
  4. Step 4: Simplify right side
    8,359.84x = 55,959,359.41
  5. Step 5: Solve for x
    x = 55,959,359.41/8,359.84
  6. Step 6: Final answer
    x = 6,693.83

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Double scale
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Similar ratio
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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.