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Finding the Fourth Proportional to 3,904.76, 5,857.08 and 943.17

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Solution

The fourth proportional to 3,904.76, 5,857.08 and 943.17 is: 1,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.76 : 5,857.08 = 943.17 : x
  2. Step 2: Convert to fraction form
    3,904.76/5,857.08 = 943.17/x
  3. Step 3: Cross multiply
    3,904.76x = 5,857.08 × 943.17
  4. Step 4: Simplify right side
    3,904.76x = 5,524,218.61
  5. Step 5: Solve for x
    x = 5,524,218.61/3,904.76
  6. Step 6: Final answer
    x = 1,414.74

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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.