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Finding the Fourth Proportional to 5,786.78, 8,684.31 and 2,502.23

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Solution

The fourth proportional to 5,786.78, 8,684.31 and 2,502.23 is: 3,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.78 : 8,684.31 = 2,502.23 : x
  2. Step 2: Convert to fraction form
    5,786.78/8,684.31 = 2,502.23/x
  3. Step 3: Cross multiply
    5,786.78x = 8,684.31 × 2,502.23
  4. Step 4: Simplify right side
    5,786.78x = 21,730,106.97
  5. Step 5: Solve for x
    x = 21,730,106.97/5,786.78
  6. Step 6: Final answer
    x = 3,755.13

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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.