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Finding the Fourth Proportional to 36,574.75, 54,862.15 and 8,872.75

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Solution

The fourth proportional to 36,574.75, 54,862.15 and 8,872.75 is: 13,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,574.75 : 54,862.15 = 8,872.75 : x
  2. Step 2: Convert to fraction form
    36,574.75/54,862.15 = 8,872.75/x
  3. Step 3: Cross multiply
    36,574.75x = 54,862.15 × 8,872.75
  4. Step 4: Simplify right side
    36,574.75x = 486,778,141.41
  5. Step 5: Solve for x
    x = 486,778,141.41/36,574.75
  6. Step 6: Final answer
    x = 13,309.13

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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.