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Finding the Fourth Proportional to 5,879.71, 8,817.34 and 2,368.53

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Solution

The fourth proportional to 5,879.71, 8,817.34 and 2,368.53 is: 3,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.71 : 8,817.34 = 2,368.53 : x
  2. Step 2: Convert to fraction form
    5,879.71/8,817.34 = 2,368.53/x
  3. Step 3: Cross multiply
    5,879.71x = 8,817.34 × 2,368.53
  4. Step 4: Simplify right side
    5,879.71x = 20,884,078.38
  5. Step 5: Solve for x
    x = 20,884,078.38/5,879.71
  6. Step 6: Final answer
    x = 3,551.89

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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.