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Finding the Fourth Proportional to 3,672.79, 5,509.19 and 2,582.04

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Solution

The fourth proportional to 3,672.79, 5,509.19 and 2,582.04 is: 3,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.79 : 5,509.19 = 2,582.04 : x
  2. Step 2: Convert to fraction form
    3,672.79/5,509.19 = 2,582.04/x
  3. Step 3: Cross multiply
    3,672.79x = 5,509.19 × 2,582.04
  4. Step 4: Simplify right side
    3,672.79x = 14,224,948.95
  5. Step 5: Solve for x
    x = 14,224,948.95/3,672.79
  6. Step 6: Final answer
    x = 3,873.06

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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.