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Finding the Fourth Proportional to 2,468.70, 3,406.86 and 1,349.68

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Solution

The fourth proportional to 2,468.70, 3,406.86 and 1,349.68 is: 1,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.70 : 3,406.86 = 1,349.68 : x
  2. Step 2: Convert to fraction form
    2,468.70/3,406.86 = 1,349.68/x
  3. Step 3: Cross multiply
    2,468.70x = 3,406.86 × 1,349.68
  4. Step 4: Simplify right side
    2,468.70x = 4,598,170.80
  5. Step 5: Solve for x
    x = 4,598,170.80/2,468.70
  6. Step 6: Final answer
    x = 1,862.59

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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.