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Finding the Fourth Proportional to 15,872.75, 23,809.70 and 6,012.75

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Solution

The fourth proportional to 15,872.75, 23,809.70 and 6,012.75 is: 9,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.75 : 23,809.70 = 6,012.75 : x
  2. Step 2: Convert to fraction form
    15,872.75/23,809.70 = 6,012.75/x
  3. Step 3: Cross multiply
    15,872.75x = 23,809.70 × 6,012.75
  4. Step 4: Simplify right side
    15,872.75x = 143,161,773.68
  5. Step 5: Solve for x
    x = 143,161,773.68/15,872.75
  6. Step 6: Final answer
    x = 9,019.34

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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.