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Finding the Fourth Proportional to 5,241.59, 7,217.78 and 5,125.17

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Solution

The fourth proportional to 5,241.59, 7,217.78 and 5,125.17 is: 7,057.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.59 : 7,217.78 = 5,125.17 : x
  2. Step 2: Convert to fraction form
    5,241.59/7,217.78 = 5,125.17/x
  3. Step 3: Cross multiply
    5,241.59x = 7,217.78 × 5,125.17
  4. Step 4: Simplify right side
    5,241.59x = 36,992,394.21
  5. Step 5: Solve for x
    x = 36,992,394.21/5,241.59
  6. Step 6: Final answer
    x = 7,057.48

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.