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Finding the Fourth Proportional to 5,959.42, 8,221.42 and 3,600.19

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Solution

The fourth proportional to 5,959.42, 8,221.42 and 3,600.19 is: 4,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959.42 : 8,221.42 = 3,600.19 : x
  2. Step 2: Convert to fraction form
    5,959.42/8,221.42 = 3,600.19/x
  3. Step 3: Cross multiply
    5,959.42x = 8,221.42 × 3,600.19
  4. Step 4: Simplify right side
    5,959.42x = 29,598,644.52
  5. Step 5: Solve for x
    x = 29,598,644.52/5,959.42
  6. Step 6: Final answer
    x = 4,966.70

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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.