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Finding the Fourth Proportional to 27,989.88, 41,969.01 and 10,452.57

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Solution

The fourth proportional to 27,989.88, 41,969.01 and 10,452.57 is: 15,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.88 : 41,969.01 = 10,452.57 : x
  2. Step 2: Convert to fraction form
    27,989.88/41,969.01 = 10,452.57/x
  3. Step 3: Cross multiply
    27,989.88x = 41,969.01 × 10,452.57
  4. Step 4: Simplify right side
    27,989.88x = 438,683,805.01
  5. Step 5: Solve for x
    x = 438,683,805.01/27,989.88
  6. Step 6: Final answer
    x = 15,672.95

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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.