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Finding the Fourth Proportional to 17,873.18, 24,667.94 and 9,917.97

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Solution

The fourth proportional to 17,873.18, 24,667.94 and 9,917.97 is: 13,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.18 : 24,667.94 = 9,917.97 : x
  2. Step 2: Convert to fraction form
    17,873.18/24,667.94 = 9,917.97/x
  3. Step 3: Cross multiply
    17,873.18x = 24,667.94 × 9,917.97
  4. Step 4: Simplify right side
    17,873.18x = 244,655,913.68
  5. Step 5: Solve for x
    x = 244,655,913.68/17,873.18
  6. Step 6: Final answer
    x = 13,688.44

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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.