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Finding the Fourth Proportional to 22,991.31, 34,486.91 and 6,351.30

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Solution

The fourth proportional to 22,991.31, 34,486.91 and 6,351.30 is: 9,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.31 : 34,486.91 = 6,351.30 : x
  2. Step 2: Convert to fraction form
    22,991.31/34,486.91 = 6,351.30/x
  3. Step 3: Cross multiply
    22,991.31x = 34,486.91 × 6,351.30
  4. Step 4: Simplify right side
    22,991.31x = 219,036,711.48
  5. Step 5: Solve for x
    x = 219,036,711.48/22,991.31
  6. Step 6: Final answer
    x = 9,526.93

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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.