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Finding the Fourth Proportional to 7,295.29, 10,951.13 and 2,915.82

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Solution

The fourth proportional to 7,295.29, 10,951.13 and 2,915.82 is: 4,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.29 : 10,951.13 = 2,915.82 : x
  2. Step 2: Convert to fraction form
    7,295.29/10,951.13 = 2,915.82/x
  3. Step 3: Cross multiply
    7,295.29x = 10,951.13 × 2,915.82
  4. Step 4: Simplify right side
    7,295.29x = 31,931,531.17
  5. Step 5: Solve for x
    x = 31,931,531.17/7,295.29
  6. Step 6: Final answer
    x = 4,377.01

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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.