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Finding the Fourth Proportional to 5,921.38, 8,878.98 and 1,760.82

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Solution

The fourth proportional to 5,921.38, 8,878.98 and 1,760.82 is: 2,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.38 : 8,878.98 = 1,760.82 : x
  2. Step 2: Convert to fraction form
    5,921.38/8,878.98 = 1,760.82/x
  3. Step 3: Cross multiply
    5,921.38x = 8,878.98 × 1,760.82
  4. Step 4: Simplify right side
    5,921.38x = 15,634,285.56
  5. Step 5: Solve for x
    x = 15,634,285.56/5,921.38
  6. Step 6: Final answer
    x = 2,640.31

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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.