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Finding the Fourth Proportional to 17,697.78, 26,551.11 and 6,604.83

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Solution

The fourth proportional to 17,697.78, 26,551.11 and 6,604.83 is: 9,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.78 : 26,551.11 = 6,604.83 : x
  2. Step 2: Convert to fraction form
    17,697.78/26,551.11 = 6,604.83/x
  3. Step 3: Cross multiply
    17,697.78x = 26,551.11 × 6,604.83
  4. Step 4: Simplify right side
    17,697.78x = 175,365,567.86
  5. Step 5: Solve for x
    x = 175,365,567.86/17,697.78
  6. Step 6: Final answer
    x = 9,908.90

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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.