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Finding the Fourth Proportional to 52,908.48, 79,362.24 and 15,972.48

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Solution

The fourth proportional to 52,908.48, 79,362.24 and 15,972.48 is: 23,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,908.48 : 79,362.24 = 15,972.48 : x
  2. Step 2: Convert to fraction form
    52,908.48/79,362.24 = 15,972.48/x
  3. Step 3: Cross multiply
    52,908.48x = 79,362.24 × 15,972.48
  4. Step 4: Simplify right side
    52,908.48x = 1,267,611,791.16
  5. Step 5: Solve for x
    x = 1,267,611,791.16/52,908.48
  6. Step 6: Final answer
    x = 23,958.58

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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.