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Finding the Fourth Proportional to 5,921.40, 8,882.10 and 2,025.30

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Solution

The fourth proportional to 5,921.40, 8,882.10 and 2,025.30 is: 3,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.40 : 8,882.10 = 2,025.30 : x
  2. Step 2: Convert to fraction form
    5,921.40/8,882.10 = 2,025.30/x
  3. Step 3: Cross multiply
    5,921.40x = 8,882.10 × 2,025.30
  4. Step 4: Simplify right side
    5,921.40x = 17,988,917.13
  5. Step 5: Solve for x
    x = 17,988,917.13/5,921.40
  6. Step 6: Final answer
    x = 3,037.95

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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.