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Finding the Fourth Proportional to 2,321.70, 3,482.55 and 1,337.55

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Solution

The fourth proportional to 2,321.70, 3,482.55 and 1,337.55 is: 2,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.70 : 3,482.55 = 1,337.55 : x
  2. Step 2: Convert to fraction form
    2,321.70/3,482.55 = 1,337.55/x
  3. Step 3: Cross multiply
    2,321.70x = 3,482.55 × 1,337.55
  4. Step 4: Simplify right side
    2,321.70x = 4,658,084.75
  5. Step 5: Solve for x
    x = 4,658,084.75/2,321.70
  6. Step 6: Final answer
    x = 2,006.33

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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.