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Finding the Fourth Proportional to 3,908.61, 5,862.29 and 1,716.93

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Solution

The fourth proportional to 3,908.61, 5,862.29 and 1,716.93 is: 2,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.61 : 5,862.29 = 1,716.93 : x
  2. Step 2: Convert to fraction form
    3,908.61/5,862.29 = 1,716.93/x
  3. Step 3: Cross multiply
    3,908.61x = 5,862.29 × 1,716.93
  4. Step 4: Simplify right side
    3,908.61x = 10,065,132.99
  5. Step 5: Solve for x
    x = 10,065,132.99/3,908.61
  6. Step 6: Final answer
    x = 2,575.12

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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.