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Finding the Fourth Proportional to 2,915.11, 4,373.27 and 967.17

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Solution

The fourth proportional to 2,915.11, 4,373.27 and 967.17 is: 1,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.11 : 4,373.27 = 967.17 : x
  2. Step 2: Convert to fraction form
    2,915.11/4,373.27 = 967.17/x
  3. Step 3: Cross multiply
    2,915.11x = 4,373.27 × 967.17
  4. Step 4: Simplify right side
    2,915.11x = 4,229,690.71
  5. Step 5: Solve for x
    x = 4,229,690.71/2,915.11
  6. Step 6: Final answer
    x = 1,450.96

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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.