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Finding the Fourth Proportional to 3,339.02, 5,008.41 and 873.83

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Solution

The fourth proportional to 3,339.02, 5,008.41 and 873.83 is: 1,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.02 : 5,008.41 = 873.83 : x
  2. Step 2: Convert to fraction form
    3,339.02/5,008.41 = 873.83/x
  3. Step 3: Cross multiply
    3,339.02x = 5,008.41 × 873.83
  4. Step 4: Simplify right side
    3,339.02x = 4,376,473.87
  5. Step 5: Solve for x
    x = 4,376,473.87/3,339.02
  6. Step 6: Final answer
    x = 1,310.71

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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.