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Finding the Fourth Proportional to 16,830.24, 25,241.16 and 6,972.24

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Solution

The fourth proportional to 16,830.24, 25,241.16 and 6,972.24 is: 10,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.24 : 25,241.16 = 6,972.24 : x
  2. Step 2: Convert to fraction form
    16,830.24/25,241.16 = 6,972.24/x
  3. Step 3: Cross multiply
    16,830.24x = 25,241.16 × 6,972.24
  4. Step 4: Simplify right side
    16,830.24x = 175,987,425.40
  5. Step 5: Solve for x
    x = 175,987,425.40/16,830.24
  6. Step 6: Final answer
    x = 10,456.62

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1.5x scale

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.