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Finding the Fourth Proportional to 5,581.33, 7,702.46 and 3,342.76

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Solution

The fourth proportional to 5,581.33, 7,702.46 and 3,342.76 is: 4,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.33 : 7,702.46 = 3,342.76 : x
  2. Step 2: Convert to fraction form
    5,581.33/7,702.46 = 3,342.76/x
  3. Step 3: Cross multiply
    5,581.33x = 7,702.46 × 3,342.76
  4. Step 4: Simplify right side
    5,581.33x = 25,747,451.76
  5. Step 5: Solve for x
    x = 25,747,451.76/5,581.33
  6. Step 6: Final answer
    x = 4,613.14

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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.