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Finding the Fourth Proportional to 36,474.24, 54,711.36 and 8,772.24

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Solution

The fourth proportional to 36,474.24, 54,711.36 and 8,772.24 is: 13,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,474.24 : 54,711.36 = 8,772.24 : x
  2. Step 2: Convert to fraction form
    36,474.24/54,711.36 = 8,772.24/x
  3. Step 3: Cross multiply
    36,474.24x = 54,711.36 × 8,772.24
  4. Step 4: Simplify right side
    36,474.24x = 479,941,180.65
  5. Step 5: Solve for x
    x = 479,941,180.65/36,474.24
  6. Step 6: Final answer
    x = 13,158.36

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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.