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Finding the Fourth Proportional to 21,444.75, 32,171.99 and 7,593.75

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Solution

The fourth proportional to 21,444.75, 32,171.99 and 7,593.75 is: 11,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.75 : 32,171.99 = 7,593.75 : x
  2. Step 2: Convert to fraction form
    21,444.75/32,171.99 = 7,593.75/x
  3. Step 3: Cross multiply
    21,444.75x = 32,171.99 × 7,593.75
  4. Step 4: Simplify right side
    21,444.75x = 244,306,011.09
  5. Step 5: Solve for x
    x = 244,306,011.09/21,444.75
  6. Step 6: Final answer
    x = 11,392.35

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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.