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Finding the Fourth Proportional to 17,702, 26,551.16 and 11,108.64

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Solution

The fourth proportional to 17,702, 26,551.16 and 11,108.64 is: 16,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702 : 26,551.16 = 11,108.64 : x
  2. Step 2: Convert to fraction form
    17,702/26,551.16 = 11,108.64/x
  3. Step 3: Cross multiply
    17,702x = 26,551.16 × 11,108.64
  4. Step 4: Simplify right side
    17,702x = 294,947,278.02
  5. Step 5: Solve for x
    x = 294,947,278.02/17,702
  6. Step 6: Final answer
    x = 16,661.81

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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.