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Finding the Fourth Proportional to 14,991.61, 22,452.43 and 11,850.53

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Solution

The fourth proportional to 14,991.61, 22,452.43 and 11,850.53 is: 17,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.61 : 22,452.43 = 11,850.53 : x
  2. Step 2: Convert to fraction form
    14,991.61/22,452.43 = 11,850.53/x
  3. Step 3: Cross multiply
    14,991.61x = 22,452.43 × 11,850.53
  4. Step 4: Simplify right side
    14,991.61x = 266,073,195.29
  5. Step 5: Solve for x
    x = 266,073,195.29/14,991.61
  6. Step 6: Final answer
    x = 17,748.14

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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.