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Finding the Fourth Proportional to 5,878.82, 8,811.62 and 4,487.52

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Solution

The fourth proportional to 5,878.82, 8,811.62 and 4,487.52 is: 6,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.82 : 8,811.62 = 4,487.52 : x
  2. Step 2: Convert to fraction form
    5,878.82/8,811.62 = 4,487.52/x
  3. Step 3: Cross multiply
    5,878.82x = 8,811.62 × 4,487.52
  4. Step 4: Simplify right side
    5,878.82x = 39,542,320.98
  5. Step 5: Solve for x
    x = 39,542,320.98/5,878.82
  6. Step 6: Final answer
    x = 6,726.23

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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.