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Finding the Fourth Proportional to 17,604.70, 26,404.65 and 5,292.70

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Solution

The fourth proportional to 17,604.70, 26,404.65 and 5,292.70 is: 7,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604.70 : 26,404.65 = 5,292.70 : x
  2. Step 2: Convert to fraction form
    17,604.70/26,404.65 = 5,292.70/x
  3. Step 3: Cross multiply
    17,604.70x = 26,404.65 × 5,292.70
  4. Step 4: Simplify right side
    17,604.70x = 139,751,891.06
  5. Step 5: Solve for x
    x = 139,751,891.06/17,604.70
  6. Step 6: Final answer
    x = 7,938.33

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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.