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Finding the Fourth Proportional to 17,699.71, 26,549.56 and 7,311.73

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Solution

The fourth proportional to 17,699.71, 26,549.56 and 7,311.73 is: 10,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.71 : 26,549.56 = 7,311.73 : x
  2. Step 2: Convert to fraction form
    17,699.71/26,549.56 = 7,311.73/x
  3. Step 3: Cross multiply
    17,699.71x = 26,549.56 × 7,311.73
  4. Step 4: Simplify right side
    17,699.71x = 194,123,045.03
  5. Step 5: Solve for x
    x = 194,123,045.03/17,699.71
  6. Step 6: Final answer
    x = 10,967.59

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Similar ratio
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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.