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Finding the Fourth Proportional to 5,167.79, 7,749.25 and 2,395.77

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Solution

The fourth proportional to 5,167.79, 7,749.25 and 2,395.77 is: 3,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.79 : 7,749.25 = 2,395.77 : x
  2. Step 2: Convert to fraction form
    5,167.79/7,749.25 = 2,395.77/x
  3. Step 3: Cross multiply
    5,167.79x = 7,749.25 × 2,395.77
  4. Step 4: Simplify right side
    5,167.79x = 18,565,420.67
  5. Step 5: Solve for x
    x = 18,565,420.67/5,167.79
  6. Step 6: Final answer
    x = 3,592.53

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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.