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Finding the Fourth Proportional to 12,301.26, 16,972.11 and 7,265.90

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Solution

The fourth proportional to 12,301.26, 16,972.11 and 7,265.90 is: 10,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.26 : 16,972.11 = 7,265.90 : x
  2. Step 2: Convert to fraction form
    12,301.26/16,972.11 = 7,265.90/x
  3. Step 3: Cross multiply
    12,301.26x = 16,972.11 × 7,265.90
  4. Step 4: Simplify right side
    12,301.26x = 123,317,569.19
  5. Step 5: Solve for x
    x = 123,317,569.19/12,301.26
  6. Step 6: Final answer
    x = 10,024.79

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1.5x scale

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.