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Finding the Fourth Proportional to 17,690.88, 26,538.94 and 5,845.91

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Solution

The fourth proportional to 17,690.88, 26,538.94 and 5,845.91 is: 8,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.88 : 26,538.94 = 5,845.91 : x
  2. Step 2: Convert to fraction form
    17,690.88/26,538.94 = 5,845.91/x
  3. Step 3: Cross multiply
    17,690.88x = 26,538.94 × 5,845.91
  4. Step 4: Simplify right side
    17,690.88x = 155,144,175.84
  5. Step 5: Solve for x
    x = 155,144,175.84/17,690.88
  6. Step 6: Final answer
    x = 8,769.72

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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.