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Finding the Fourth Proportional to 21,932.70, 32,850.45 and 18,044.70

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Solution

The fourth proportional to 21,932.70, 32,850.45 and 18,044.70 is: 27,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.70 : 32,850.45 = 18,044.70 : x
  2. Step 2: Convert to fraction form
    21,932.70/32,850.45 = 18,044.70/x
  3. Step 3: Cross multiply
    21,932.70x = 32,850.45 × 18,044.70
  4. Step 4: Simplify right side
    21,932.70x = 592,776,515.12
  5. Step 5: Solve for x
    x = 592,776,515.12/21,932.70
  6. Step 6: Final answer
    x = 27,027.07

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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.