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Finding the Fourth Proportional to 9,943.97, 14,915.95 and 3,374.80

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Solution

The fourth proportional to 9,943.97, 14,915.95 and 3,374.80 is: 5,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.97 : 14,915.95 = 3,374.80 : x
  2. Step 2: Convert to fraction form
    9,943.97/14,915.95 = 3,374.80/x
  3. Step 3: Cross multiply
    9,943.97x = 14,915.95 × 3,374.80
  4. Step 4: Simplify right side
    9,943.97x = 50,338,302.33
  5. Step 5: Solve for x
    x = 50,338,302.33/9,943.97
  6. Step 6: Final answer
    x = 5,062.20

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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.