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Finding the Fourth Proportional to 5,847.90, 8,772.72 and 1,951.38

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Solution

The fourth proportional to 5,847.90, 8,772.72 and 1,951.38 is: 2,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.90 : 8,772.72 = 1,951.38 : x
  2. Step 2: Convert to fraction form
    5,847.90/8,772.72 = 1,951.38/x
  3. Step 3: Cross multiply
    5,847.90x = 8,772.72 × 1,951.38
  4. Step 4: Simplify right side
    5,847.90x = 17,118,910.35
  5. Step 5: Solve for x
    x = 17,118,910.35/5,847.90
  6. Step 6: Final answer
    x = 2,927.36

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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.