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Finding the Fourth Proportional to 17,774.72, 26,638.92 and 7,232.43

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Solution

The fourth proportional to 17,774.72, 26,638.92 and 7,232.43 is: 10,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,774.72 : 26,638.92 = 7,232.43 : x
  2. Step 2: Convert to fraction form
    17,774.72/26,638.92 = 7,232.43/x
  3. Step 3: Cross multiply
    17,774.72x = 26,638.92 × 7,232.43
  4. Step 4: Simplify right side
    17,774.72x = 192,664,124.18
  5. Step 5: Solve for x
    x = 192,664,124.18/17,774.72
  6. Step 6: Final answer
    x = 10,839.22

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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.