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Finding the Fourth Proportional to 17,690.99, 26,502.72 and 17,097.57

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Solution

The fourth proportional to 17,690.99, 26,502.72 and 17,097.57 is: 25,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.99 : 26,502.72 = 17,097.57 : x
  2. Step 2: Convert to fraction form
    17,690.99/26,502.72 = 17,097.57/x
  3. Step 3: Cross multiply
    17,690.99x = 26,502.72 × 17,097.57
  4. Step 4: Simplify right side
    17,690.99x = 453,132,110.39
  5. Step 5: Solve for x
    x = 453,132,110.39/17,690.99
  6. Step 6: Final answer
    x = 25,613.73

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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.