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Finding the Fourth Proportional to 17,935.40, 26,890.95 and 9,163.10

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Solution

The fourth proportional to 17,935.40, 26,890.95 and 9,163.10 is: 13,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,935.40 : 26,890.95 = 9,163.10 : x
  2. Step 2: Convert to fraction form
    17,935.40/26,890.95 = 9,163.10/x
  3. Step 3: Cross multiply
    17,935.40x = 26,890.95 × 9,163.10
  4. Step 4: Simplify right side
    17,935.40x = 246,404,463.95
  5. Step 5: Solve for x
    x = 246,404,463.95/17,935.40
  6. Step 6: Final answer
    x = 13,738.44

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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.