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Finding the Fourth Proportional to 3,494.07, 4,807.68 and 3,372.87

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Solution

The fourth proportional to 3,494.07, 4,807.68 and 3,372.87 is: 4,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.07 : 4,807.68 = 3,372.87 : x
  2. Step 2: Convert to fraction form
    3,494.07/4,807.68 = 3,372.87/x
  3. Step 3: Cross multiply
    3,494.07x = 4,807.68 × 3,372.87
  4. Step 4: Simplify right side
    3,494.07x = 16,215,679.64
  5. Step 5: Solve for x
    x = 16,215,679.64/3,494.07
  6. Step 6: Final answer
    x = 4,640.91

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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.