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Finding the Fourth Proportional to 5,908.45, 8,862.77 and 2,986.87

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Solution

The fourth proportional to 5,908.45, 8,862.77 and 2,986.87 is: 4,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.45 : 8,862.77 = 2,986.87 : x
  2. Step 2: Convert to fraction form
    5,908.45/8,862.77 = 2,986.87/x
  3. Step 3: Cross multiply
    5,908.45x = 8,862.77 × 2,986.87
  4. Step 4: Simplify right side
    5,908.45x = 26,471,941.83
  5. Step 5: Solve for x
    x = 26,471,941.83/5,908.45
  6. Step 6: Final answer
    x = 4,480.35

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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.