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Finding the Fourth Proportional to 8,842.18, 12,204.06 and 5,609.92

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Solution

The fourth proportional to 8,842.18, 12,204.06 and 5,609.92 is: 7,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.18 : 12,204.06 = 5,609.92 : x
  2. Step 2: Convert to fraction form
    8,842.18/12,204.06 = 5,609.92/x
  3. Step 3: Cross multiply
    8,842.18x = 12,204.06 × 5,609.92
  4. Step 4: Simplify right side
    8,842.18x = 68,463,800.28
  5. Step 5: Solve for x
    x = 68,463,800.28/8,842.18
  6. Step 6: Final answer
    x = 7,742.86

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Double scale
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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.