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Finding the Fourth Proportional to 22,991.64, 34,476.54 and 10,507.96

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Solution

The fourth proportional to 22,991.64, 34,476.54 and 10,507.96 is: 15,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.64 : 34,476.54 = 10,507.96 : x
  2. Step 2: Convert to fraction form
    22,991.64/34,476.54 = 10,507.96/x
  3. Step 3: Cross multiply
    22,991.64x = 34,476.54 × 10,507.96
  4. Step 4: Simplify right side
    22,991.64x = 362,278,103.26
  5. Step 5: Solve for x
    x = 362,278,103.26/22,991.64
  6. Step 6: Final answer
    x = 15,756.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.