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Finding the Fourth Proportional to 12,626.87, 17,425.10 and 7,324.77

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Solution

The fourth proportional to 12,626.87, 17,425.10 and 7,324.77 is: 10,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.87 : 17,425.10 = 7,324.77 : x
  2. Step 2: Convert to fraction form
    12,626.87/17,425.10 = 7,324.77/x
  3. Step 3: Cross multiply
    12,626.87x = 17,425.10 × 7,324.77
  4. Step 4: Simplify right side
    12,626.87x = 127,634,849.73
  5. Step 5: Solve for x
    x = 127,634,849.73/12,626.87
  6. Step 6: Final answer
    x = 10,108.19

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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.