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Finding the Fourth Proportional to 26,603.46, 39,906.02 and 9,960.32

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Solution

The fourth proportional to 26,603.46, 39,906.02 and 9,960.32 is: 14,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.46 : 39,906.02 = 9,960.32 : x
  2. Step 2: Convert to fraction form
    26,603.46/39,906.02 = 9,960.32/x
  3. Step 3: Cross multiply
    26,603.46x = 39,906.02 × 9,960.32
  4. Step 4: Simplify right side
    26,603.46x = 397,476,853.79
  5. Step 5: Solve for x
    x = 397,476,853.79/26,603.46
  6. Step 6: Final answer
    x = 14,940.80

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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.