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Finding the Fourth Proportional to 5,927.68, 8,885.84 and 2,641.20

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Solution

The fourth proportional to 5,927.68, 8,885.84 and 2,641.20 is: 3,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.68 : 8,885.84 = 2,641.20 : x
  2. Step 2: Convert to fraction form
    5,927.68/8,885.84 = 2,641.20/x
  3. Step 3: Cross multiply
    5,927.68x = 8,885.84 × 2,641.20
  4. Step 4: Simplify right side
    5,927.68x = 23,469,280.61
  5. Step 5: Solve for x
    x = 23,469,280.61/5,927.68
  6. Step 6: Final answer
    x = 3,959.27

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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.