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Finding the Fourth Proportional to 12,601.67, 17,388.18 and 7,295.57

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Solution

The fourth proportional to 12,601.67, 17,388.18 and 7,295.57 is: 10,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.67 : 17,388.18 = 7,295.57 : x
  2. Step 2: Convert to fraction form
    12,601.67/17,388.18 = 7,295.57/x
  3. Step 3: Cross multiply
    12,601.67x = 17,388.18 × 7,295.57
  4. Step 4: Simplify right side
    12,601.67x = 126,856,684.36
  5. Step 5: Solve for x
    x = 126,856,684.36/12,601.67
  6. Step 6: Final answer
    x = 10,066.66

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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.