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Finding the Fourth Proportional to 38,871, 58,306.64 and 10,793.25

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Solution

The fourth proportional to 38,871, 58,306.64 and 10,793.25 is: 16,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871 : 58,306.64 = 10,793.25 : x
  2. Step 2: Convert to fraction form
    38,871/58,306.64 = 10,793.25/x
  3. Step 3: Cross multiply
    38,871x = 58,306.64 × 10,793.25
  4. Step 4: Simplify right side
    38,871x = 629,318,088.21
  5. Step 5: Solve for x
    x = 629,318,088.21/38,871
  6. Step 6: Final answer
    x = 16,189.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.