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Finding the Fourth Proportional to 1,882.90, 2,598.12 and 1,043.50

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Solution

The fourth proportional to 1,882.90, 2,598.12 and 1,043.50 is: 1,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.90 : 2,598.12 = 1,043.50 : x
  2. Step 2: Convert to fraction form
    1,882.90/2,598.12 = 1,043.50/x
  3. Step 3: Cross multiply
    1,882.90x = 2,598.12 × 1,043.50
  4. Step 4: Simplify right side
    1,882.90x = 2,711,138.22
  5. Step 5: Solve for x
    x = 2,711,138.22/1,882.90
  6. Step 6: Final answer
    x = 1,439.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.