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Finding the Fourth Proportional to 17,873.63, 24,665.63 and 9,917.09

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Solution

The fourth proportional to 17,873.63, 24,665.63 and 9,917.09 is: 13,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.63 : 24,665.63 = 9,917.09 : x
  2. Step 2: Convert to fraction form
    17,873.63/24,665.63 = 9,917.09/x
  3. Step 3: Cross multiply
    17,873.63x = 24,665.63 × 9,917.09
  4. Step 4: Simplify right side
    17,873.63x = 244,611,272.62
  5. Step 5: Solve for x
    x = 244,611,272.62/17,873.63
  6. Step 6: Final answer
    x = 13,685.60

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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.