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Finding the Fourth Proportional to 3,671.65, 5,508.33 and 1,074.79

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Solution

The fourth proportional to 3,671.65, 5,508.33 and 1,074.79 is: 1,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.65 : 5,508.33 = 1,074.79 : x
  2. Step 2: Convert to fraction form
    3,671.65/5,508.33 = 1,074.79/x
  3. Step 3: Cross multiply
    3,671.65x = 5,508.33 × 1,074.79
  4. Step 4: Simplify right side
    3,671.65x = 5,920,298.00
  5. Step 5: Solve for x
    x = 5,920,298.00/3,671.65
  6. Step 6: Final answer
    x = 1,612.44

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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.