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Finding the Fourth Proportional to 17,740.87, 24,481.88 and 9,783.09

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Solution

The fourth proportional to 17,740.87, 24,481.88 and 9,783.09 is: 13,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.87 : 24,481.88 = 9,783.09 : x
  2. Step 2: Convert to fraction form
    17,740.87/24,481.88 = 9,783.09/x
  3. Step 3: Cross multiply
    17,740.87x = 24,481.88 × 9,783.09
  4. Step 4: Simplify right side
    17,740.87x = 239,508,386.49
  5. Step 5: Solve for x
    x = 239,508,386.49/17,740.87
  6. Step 6: Final answer
    x = 13,500.38

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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.