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Finding the Fourth Proportional to 3,424.60, 4,726.38 and 1,932.60

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Solution

The fourth proportional to 3,424.60, 4,726.38 and 1,932.60 is: 2,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.60 : 4,726.38 = 1,932.60 : x
  2. Step 2: Convert to fraction form
    3,424.60/4,726.38 = 1,932.60/x
  3. Step 3: Cross multiply
    3,424.60x = 4,726.38 × 1,932.60
  4. Step 4: Simplify right side
    3,424.60x = 9,134,201.99
  5. Step 5: Solve for x
    x = 9,134,201.99/3,424.60
  6. Step 6: Final answer
    x = 2,667.23

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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.