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Finding the Fourth Proportional to 2,486.97, 3,728.03 and 1,559.52

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Solution

The fourth proportional to 2,486.97, 3,728.03 and 1,559.52 is: 2,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.97 : 3,728.03 = 1,559.52 : x
  2. Step 2: Convert to fraction form
    2,486.97/3,728.03 = 1,559.52/x
  3. Step 3: Cross multiply
    2,486.97x = 3,728.03 × 1,559.52
  4. Step 4: Simplify right side
    2,486.97x = 5,813,929.55
  5. Step 5: Solve for x
    x = 5,813,929.55/2,486.97
  6. Step 6: Final answer
    x = 2,337.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.