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Finding the Fourth Proportional to 52,908.75, 79,363.13 and 15,972.75

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Solution

The fourth proportional to 52,908.75, 79,363.13 and 15,972.75 is: 23,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,908.75 : 79,363.13 = 15,972.75 : x
  2. Step 2: Convert to fraction form
    52,908.75/79,363.13 = 15,972.75/x
  3. Step 3: Cross multiply
    52,908.75x = 79,363.13 × 15,972.75
  4. Step 4: Simplify right side
    52,908.75x = 1,267,647,354.84
  5. Step 5: Solve for x
    x = 1,267,647,354.84/52,908.75
  6. Step 6: Final answer
    x = 23,959.13

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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.