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Finding the Fourth Proportional to 17,806.29, 26,700.23 and 10,412.91

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Solution

The fourth proportional to 17,806.29, 26,700.23 and 10,412.91 is: 15,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.29 : 26,700.23 = 10,412.91 : x
  2. Step 2: Convert to fraction form
    17,806.29/26,700.23 = 10,412.91/x
  3. Step 3: Cross multiply
    17,806.29x = 26,700.23 × 10,412.91
  4. Step 4: Simplify right side
    17,806.29x = 278,027,039.90
  5. Step 5: Solve for x
    x = 278,027,039.90/17,806.29
  6. Step 6: Final answer
    x = 15,613.98

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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.