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Finding the Fourth Proportional to 12,697.26, 17,522.19 and 7,032.30

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Solution

The fourth proportional to 12,697.26, 17,522.19 and 7,032.30 is: 9,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697.26 : 17,522.19 = 7,032.30 : x
  2. Step 2: Convert to fraction form
    12,697.26/17,522.19 = 7,032.30/x
  3. Step 3: Cross multiply
    12,697.26x = 17,522.19 × 7,032.30
  4. Step 4: Simplify right side
    12,697.26x = 123,221,296.74
  5. Step 5: Solve for x
    x = 123,221,296.74/12,697.26
  6. Step 6: Final answer
    x = 9,704.56

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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.