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Finding the Fourth Proportional to 17,774.91, 26,661.29 and 5,294.97

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Solution

The fourth proportional to 17,774.91, 26,661.29 and 5,294.97 is: 7,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,774.91 : 26,661.29 = 5,294.97 : x
  2. Step 2: Convert to fraction form
    17,774.91/26,661.29 = 5,294.97/x
  3. Step 3: Cross multiply
    17,774.91x = 26,661.29 × 5,294.97
  4. Step 4: Simplify right side
    17,774.91x = 141,170,704.24
  5. Step 5: Solve for x
    x = 141,170,704.24/17,774.91
  6. Step 6: Final answer
    x = 7,942.13

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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.