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Finding the Fourth Proportional to 17,871.03, 24,662.48 and 9,913.39

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Solution

The fourth proportional to 17,871.03, 24,662.48 and 9,913.39 is: 13,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.03 : 24,662.48 = 9,913.39 : x
  2. Step 2: Convert to fraction form
    17,871.03/24,662.48 = 9,913.39/x
  3. Step 3: Cross multiply
    17,871.03x = 24,662.48 × 9,913.39
  4. Step 4: Simplify right side
    17,871.03x = 244,488,671.38
  5. Step 5: Solve for x
    x = 244,488,671.38/17,871.03
  6. Step 6: Final answer
    x = 13,680.73

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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.