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Finding the Fourth Proportional to 57,622.89, 86,488.26 and 35,479.52

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Solution

The fourth proportional to 57,622.89, 86,488.26 and 35,479.52 is: 53,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622.89 : 86,488.26 = 35,479.52 : x
  2. Step 2: Convert to fraction form
    57,622.89/86,488.26 = 35,479.52/x
  3. Step 3: Cross multiply
    57,622.89x = 86,488.26 × 35,479.52
  4. Step 4: Simplify right side
    57,622.89x = 3,068,561,709.28
  5. Step 5: Solve for x
    x = 3,068,561,709.28/57,622.89
  6. Step 6: Final answer
    x = 53,252.48

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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.