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Finding the Fourth Proportional to 17,329.80, 23,915.10 and 9,372

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Solution

The fourth proportional to 17,329.80, 23,915.10 and 9,372 is: 12,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,329.80 : 23,915.10 = 9,372 : x
  2. Step 2: Convert to fraction form
    17,329.80/23,915.10 = 9,372/x
  3. Step 3: Cross multiply
    17,329.80x = 23,915.10 × 9,372
  4. Step 4: Simplify right side
    17,329.80x = 224,132,317.20
  5. Step 5: Solve for x
    x = 224,132,317.20/17,329.80
  6. Step 6: Final answer
    x = 12,933.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.