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Finding the Fourth Proportional to 37,855.28, 52,249.28 and 21,948.48

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Solution

The fourth proportional to 37,855.28, 52,249.28 and 21,948.48 is: 30,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,855.28 : 52,249.28 = 21,948.48 : x
  2. Step 2: Convert to fraction form
    37,855.28/52,249.28 = 21,948.48/x
  3. Step 3: Cross multiply
    37,855.28x = 52,249.28 × 21,948.48
  4. Step 4: Simplify right side
    37,855.28x = 1,146,792,277.09
  5. Step 5: Solve for x
    x = 1,146,792,277.09/37,855.28
  6. Step 6: Final answer
    x = 30,294.12

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1.5x scale

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.