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Finding the Fourth Proportional to 5,480.71, 8,225.65 and 2,849.83

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Solution

The fourth proportional to 5,480.71, 8,225.65 and 2,849.83 is: 4,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.71 : 8,225.65 = 2,849.83 : x
  2. Step 2: Convert to fraction form
    5,480.71/8,225.65 = 2,849.83/x
  3. Step 3: Cross multiply
    5,480.71x = 8,225.65 × 2,849.83
  4. Step 4: Simplify right side
    5,480.71x = 23,441,663.01
  5. Step 5: Solve for x
    x = 23,441,663.01/5,480.71
  6. Step 6: Final answer
    x = 4,277.13

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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.