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Finding the Fourth Proportional to 57,825.38, 79,812.38 and 37,647.16

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Solution

The fourth proportional to 57,825.38, 79,812.38 and 37,647.16 is: 51,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,825.38 : 79,812.38 = 37,647.16 : x
  2. Step 2: Convert to fraction form
    57,825.38/79,812.38 = 37,647.16/x
  3. Step 3: Cross multiply
    57,825.38x = 79,812.38 × 37,647.16
  4. Step 4: Simplify right side
    57,825.38x = 3,004,709,439.84
  5. Step 5: Solve for x
    x = 3,004,709,439.84/57,825.38
  6. Step 6: Final answer
    x = 51,961.78

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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.