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Finding the Fourth Proportional to 17,771.76, 26,655.73 and 9,442.92

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Solution

The fourth proportional to 17,771.76, 26,655.73 and 9,442.92 is: 14,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.76 : 26,655.73 = 9,442.92 : x
  2. Step 2: Convert to fraction form
    17,771.76/26,655.73 = 9,442.92/x
  3. Step 3: Cross multiply
    17,771.76x = 26,655.73 × 9,442.92
  4. Step 4: Simplify right side
    17,771.76x = 251,707,925.93
  5. Step 5: Solve for x
    x = 251,707,925.93/17,771.76
  6. Step 6: Final answer
    x = 14,163.37

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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.