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Finding the Fourth Proportional to 3,592.60, 5,393.42 and 3,426.42

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Solution

The fourth proportional to 3,592.60, 5,393.42 and 3,426.42 is: 5,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.60 : 5,393.42 = 3,426.42 : x
  2. Step 2: Convert to fraction form
    3,592.60/5,393.42 = 3,426.42/x
  3. Step 3: Cross multiply
    3,592.60x = 5,393.42 × 3,426.42
  4. Step 4: Simplify right side
    3,592.60x = 18,480,122.16
  5. Step 5: Solve for x
    x = 18,480,122.16/3,592.60
  6. Step 6: Final answer
    x = 5,143.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.