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Finding the Fourth Proportional to 17,176.74, 25,765.11 and 9,391.02

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Solution

The fourth proportional to 17,176.74, 25,765.11 and 9,391.02 is: 14,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.74 : 25,765.11 = 9,391.02 : x
  2. Step 2: Convert to fraction form
    17,176.74/25,765.11 = 9,391.02/x
  3. Step 3: Cross multiply
    17,176.74x = 25,765.11 × 9,391.02
  4. Step 4: Simplify right side
    17,176.74x = 241,960,663.31
  5. Step 5: Solve for x
    x = 241,960,663.31/17,176.74
  6. Step 6: Final answer
    x = 14,086.53

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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.