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Finding the Fourth Proportional to 3,258.90, 4,496.98 and 1,932.39

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Solution

The fourth proportional to 3,258.90, 4,496.98 and 1,932.39 is: 2,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.90 : 4,496.98 = 1,932.39 : x
  2. Step 2: Convert to fraction form
    3,258.90/4,496.98 = 1,932.39/x
  3. Step 3: Cross multiply
    3,258.90x = 4,496.98 × 1,932.39
  4. Step 4: Simplify right side
    3,258.90x = 8,689,919.18
  5. Step 5: Solve for x
    x = 8,689,919.18/3,258.90
  6. Step 6: Final answer
    x = 2,666.52

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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.