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Finding the Fourth Proportional to 5,867.70, 8,798.77 and 3,403.20

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Solution

The fourth proportional to 5,867.70, 8,798.77 and 3,403.20 is: 5,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867.70 : 8,798.77 = 3,403.20 : x
  2. Step 2: Convert to fraction form
    5,867.70/8,798.77 = 3,403.20/x
  3. Step 3: Cross multiply
    5,867.70x = 8,798.77 × 3,403.20
  4. Step 4: Simplify right side
    5,867.70x = 29,943,974.06
  5. Step 5: Solve for x
    x = 29,943,974.06/5,867.70
  6. Step 6: Final answer
    x = 5,103.19

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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.