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Finding the Fourth Proportional to 6,915.67, 10,374.10 and 2,967.11

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Solution

The fourth proportional to 6,915.67, 10,374.10 and 2,967.11 is: 4,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.67 : 10,374.10 = 2,967.11 : x
  2. Step 2: Convert to fraction form
    6,915.67/10,374.10 = 2,967.11/x
  3. Step 3: Cross multiply
    6,915.67x = 10,374.10 × 2,967.11
  4. Step 4: Simplify right side
    6,915.67x = 30,781,095.85
  5. Step 5: Solve for x
    x = 30,781,095.85/6,915.67
  6. Step 6: Final answer
    x = 4,450.92

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1.5x scale

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.