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Finding the Fourth Proportional to 2,394.28, 3,591.96 and 750.82

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Solution

The fourth proportional to 2,394.28, 3,591.96 and 750.82 is: 1,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.28 : 3,591.96 = 750.82 : x
  2. Step 2: Convert to fraction form
    2,394.28/3,591.96 = 750.82/x
  3. Step 3: Cross multiply
    2,394.28x = 3,591.96 × 750.82
  4. Step 4: Simplify right side
    2,394.28x = 2,696,915.41
  5. Step 5: Solve for x
    x = 2,696,915.41/2,394.28
  6. Step 6: Final answer
    x = 1,126.40

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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.