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Finding the Fourth Proportional to 52,778.44, 79,167.66 and 21,601

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Solution

The fourth proportional to 52,778.44, 79,167.66 and 21,601 is: 32,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.44 : 79,167.66 = 21,601 : x
  2. Step 2: Convert to fraction form
    52,778.44/79,167.66 = 21,601/x
  3. Step 3: Cross multiply
    52,778.44x = 79,167.66 × 21,601
  4. Step 4: Simplify right side
    52,778.44x = 1,710,100,623.66
  5. Step 5: Solve for x
    x = 1,710,100,623.66/52,778.44
  6. Step 6: Final answer
    x = 32,401.50

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1.5x scale

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.