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Finding the Fourth Proportional to 22,238.31, 30,700.01 and 17,191.11

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Solution

The fourth proportional to 22,238.31, 30,700.01 and 17,191.11 is: 23,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238.31 : 30,700.01 = 17,191.11 : x
  2. Step 2: Convert to fraction form
    22,238.31/30,700.01 = 17,191.11/x
  3. Step 3: Cross multiply
    22,238.31x = 30,700.01 × 17,191.11
  4. Step 4: Simplify right side
    22,238.31x = 527,767,162.96
  5. Step 5: Solve for x
    x = 527,767,162.96/22,238.31
  6. Step 6: Final answer
    x = 23,732.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.