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Finding the Fourth Proportional to 52,568, 72,524.82 and 40,472.16

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Solution

The fourth proportional to 52,568, 72,524.82 and 40,472.16 is: 55,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,568 : 72,524.82 = 40,472.16 : x
  2. Step 2: Convert to fraction form
    52,568/72,524.82 = 40,472.16/x
  3. Step 3: Cross multiply
    52,568x = 72,524.82 × 40,472.16
  4. Step 4: Simplify right side
    52,568x = 2,935,236,119.01
  5. Step 5: Solve for x
    x = 2,935,236,119.01/52,568
  6. Step 6: Final answer
    x = 55,836.94

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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.