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Finding the Fourth Proportional to 5,915.73, 8,874.07 and 1,966.85

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Solution

The fourth proportional to 5,915.73, 8,874.07 and 1,966.85 is: 2,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.73 : 8,874.07 = 1,966.85 : x
  2. Step 2: Convert to fraction form
    5,915.73/8,874.07 = 1,966.85/x
  3. Step 3: Cross multiply
    5,915.73x = 8,874.07 × 1,966.85
  4. Step 4: Simplify right side
    5,915.73x = 17,453,910.37
  5. Step 5: Solve for x
    x = 17,453,910.37/5,915.73
  6. Step 6: Final answer
    x = 2,950.42

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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.