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Finding the Fourth Proportional to 4,915.57, 7,371.54 and 1,794.55

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Solution

The fourth proportional to 4,915.57, 7,371.54 and 1,794.55 is: 2,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.57 : 7,371.54 = 1,794.55 : x
  2. Step 2: Convert to fraction form
    4,915.57/7,371.54 = 1,794.55/x
  3. Step 3: Cross multiply
    4,915.57x = 7,371.54 × 1,794.55
  4. Step 4: Simplify right side
    4,915.57x = 13,228,597.11
  5. Step 5: Solve for x
    x = 13,228,597.11/4,915.57
  6. Step 6: Final answer
    x = 2,691.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.