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Finding the Fourth Proportional to 17,775.54, 26,679.47 and 9,462.56

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Solution

The fourth proportional to 17,775.54, 26,679.47 and 9,462.56 is: 14,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.54 : 26,679.47 = 9,462.56 : x
  2. Step 2: Convert to fraction form
    17,775.54/26,679.47 = 9,462.56/x
  3. Step 3: Cross multiply
    17,775.54x = 26,679.47 × 9,462.56
  4. Step 4: Simplify right side
    17,775.54x = 252,455,904.93
  5. Step 5: Solve for x
    x = 252,455,904.93/17,775.54
  6. Step 6: Final answer
    x = 14,202.43

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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.