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Finding the Fourth Proportional to 8,148.53, 11,241.05 and 4,791.18

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Solution

The fourth proportional to 8,148.53, 11,241.05 and 4,791.18 is: 6,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.53 : 11,241.05 = 4,791.18 : x
  2. Step 2: Convert to fraction form
    8,148.53/11,241.05 = 4,791.18/x
  3. Step 3: Cross multiply
    8,148.53x = 11,241.05 × 4,791.18
  4. Step 4: Simplify right side
    8,148.53x = 53,857,869.98
  5. Step 5: Solve for x
    x = 53,857,869.98/8,148.53
  6. Step 6: Final answer
    x = 6,609.52

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Half scale
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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.