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Finding the Fourth Proportional to 57,993.12, 86,928.48 and 22,884.48

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Solution

The fourth proportional to 57,993.12, 86,928.48 and 22,884.48 is: 34,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.12 : 86,928.48 = 22,884.48 : x
  2. Step 2: Convert to fraction form
    57,993.12/86,928.48 = 22,884.48/x
  3. Step 3: Cross multiply
    57,993.12x = 86,928.48 × 22,884.48
  4. Step 4: Simplify right side
    57,993.12x = 1,989,313,061.99
  5. Step 5: Solve for x
    x = 1,989,313,061.99/57,993.12
  6. Step 6: Final answer
    x = 34,302.57

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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.