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Finding the Fourth Proportional to 17,873.50, 24,668.38 and 9,918.29

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Solution

The fourth proportional to 17,873.50, 24,668.38 and 9,918.29 is: 13,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.50 : 24,668.38 = 9,918.29 : x
  2. Step 2: Convert to fraction form
    17,873.50/24,668.38 = 9,918.29/x
  3. Step 3: Cross multiply
    17,873.50x = 24,668.38 × 9,918.29
  4. Step 4: Simplify right side
    17,873.50x = 244,667,973.74
  5. Step 5: Solve for x
    x = 244,667,973.74/17,873.50
  6. Step 6: Final answer
    x = 13,688.87

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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.