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Finding the Fourth Proportional to 22,991.13, 34,486.63 and 6,351.12

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Solution

The fourth proportional to 22,991.13, 34,486.63 and 6,351.12 is: 9,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.13 : 34,486.63 = 6,351.12 : x
  2. Step 2: Convert to fraction form
    22,991.13/34,486.63 = 6,351.12/x
  3. Step 3: Cross multiply
    22,991.13x = 34,486.63 × 6,351.12
  4. Step 4: Simplify right side
    22,991.13x = 219,028,725.53
  5. Step 5: Solve for x
    x = 219,028,725.53/22,991.13
  6. Step 6: Final answer
    x = 9,526.66

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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.