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Finding the Fourth Proportional to 57,441.36, 79,260.51 and 32,286

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Solution

The fourth proportional to 57,441.36, 79,260.51 and 32,286 is: 44,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,441.36 : 79,260.51 = 32,286 : x
  2. Step 2: Convert to fraction form
    57,441.36/79,260.51 = 32,286/x
  3. Step 3: Cross multiply
    57,441.36x = 79,260.51 × 32,286
  4. Step 4: Simplify right side
    57,441.36x = 2,559,004,825.86
  5. Step 5: Solve for x
    x = 2,559,004,825.86/57,441.36
  6. Step 6: Final answer
    x = 44,549.86

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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.