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Finding the Fourth Proportional to 3,540.61, 5,337.61 and 3,302.83

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Solution

The fourth proportional to 3,540.61, 5,337.61 and 3,302.83 is: 4,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.61 : 5,337.61 = 3,302.83 : x
  2. Step 2: Convert to fraction form
    3,540.61/5,337.61 = 3,302.83/x
  3. Step 3: Cross multiply
    3,540.61x = 5,337.61 × 3,302.83
  4. Step 4: Simplify right side
    3,540.61x = 17,629,218.44
  5. Step 5: Solve for x
    x = 17,629,218.44/3,540.61
  6. Step 6: Final answer
    x = 4,979.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.