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Finding the Fourth Proportional to 17,736.54, 24,477.70 and 9,780.12

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Solution

The fourth proportional to 17,736.54, 24,477.70 and 9,780.12 is: 13,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,736.54 : 24,477.70 = 9,780.12 : x
  2. Step 2: Convert to fraction form
    17,736.54/24,477.70 = 9,780.12/x
  3. Step 3: Cross multiply
    17,736.54x = 24,477.70 × 9,780.12
  4. Step 4: Simplify right side
    17,736.54x = 239,394,843.32
  5. Step 5: Solve for x
    x = 239,394,843.32/17,736.54
  6. Step 6: Final answer
    x = 13,497.27

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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.