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Finding the Fourth Proportional to 67,238.64, 92,788.08 and 37,023.30

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Solution

The fourth proportional to 67,238.64, 92,788.08 and 37,023.30 is: 51,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,238.64 : 92,788.08 = 37,023.30 : x
  2. Step 2: Convert to fraction form
    67,238.64/92,788.08 = 37,023.30/x
  3. Step 3: Cross multiply
    67,238.64x = 92,788.08 × 37,023.30
  4. Step 4: Simplify right side
    67,238.64x = 3,435,320,922.26
  5. Step 5: Solve for x
    x = 3,435,320,922.26/67,238.64
  6. Step 6: Final answer
    x = 51,091.47

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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.