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Finding the Fourth Proportional to 5,520.48, 7,613.03 and 4,259.54

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Solution

The fourth proportional to 5,520.48, 7,613.03 and 4,259.54 is: 5,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.48 : 7,613.03 = 4,259.54 : x
  2. Step 2: Convert to fraction form
    5,520.48/7,613.03 = 4,259.54/x
  3. Step 3: Cross multiply
    5,520.48x = 7,613.03 × 4,259.54
  4. Step 4: Simplify right side
    5,520.48x = 32,427,946.44
  5. Step 5: Solve for x
    x = 32,427,946.44/5,520.48
  6. Step 6: Final answer
    x = 5,874.12

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Half 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.