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Finding the Fourth Proportional to 7,300.84, 10,951.85 and 2,915.89

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Solution

The fourth proportional to 7,300.84, 10,951.85 and 2,915.89 is: 4,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.84 : 10,951.85 = 2,915.89 : x
  2. Step 2: Convert to fraction form
    7,300.84/10,951.85 = 2,915.89/x
  3. Step 3: Cross multiply
    7,300.84x = 10,951.85 × 2,915.89
  4. Step 4: Simplify right side
    7,300.84x = 31,934,375.32
  5. Step 5: Solve for x
    x = 31,934,375.32/7,300.84
  6. Step 6: Final answer
    x = 4,374.07

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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.