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Finding the Fourth Proportional to 5,502.87, 8,255.16 and 1,992.51

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Solution

The fourth proportional to 5,502.87, 8,255.16 and 1,992.51 is: 2,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.87 : 8,255.16 = 1,992.51 : x
  2. Step 2: Convert to fraction form
    5,502.87/8,255.16 = 1,992.51/x
  3. Step 3: Cross multiply
    5,502.87x = 8,255.16 × 1,992.51
  4. Step 4: Simplify right side
    5,502.87x = 16,448,488.85
  5. Step 5: Solve for x
    x = 16,448,488.85/5,502.87
  6. Step 6: Final answer
    x = 2,989.07

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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.