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Finding the Fourth Proportional to 17,661.97, 24,374.10 and 9,704.77

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Solution

The fourth proportional to 17,661.97, 24,374.10 and 9,704.77 is: 13,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.97 : 24,374.10 = 9,704.77 : x
  2. Step 2: Convert to fraction form
    17,661.97/24,374.10 = 9,704.77/x
  3. Step 3: Cross multiply
    17,661.97x = 24,374.10 × 9,704.77
  4. Step 4: Simplify right side
    17,661.97x = 236,545,034.46
  5. Step 5: Solve for x
    x = 236,545,034.46/17,661.97
  6. Step 6: Final answer
    x = 13,392.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.