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Finding the Fourth Proportional to 67,371.60, 92,946.24 and 39,060.48

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Solution

The fourth proportional to 67,371.60, 92,946.24 and 39,060.48 is: 53,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,371.60 : 92,946.24 = 39,060.48 : x
  2. Step 2: Convert to fraction form
    67,371.60/92,946.24 = 39,060.48/x
  3. Step 3: Cross multiply
    67,371.60x = 92,946.24 × 39,060.48
  4. Step 4: Simplify right side
    67,371.60x = 3,630,524,748.60
  5. Step 5: Solve for x
    x = 3,630,524,748.60/67,371.60
  6. Step 6: Final answer
    x = 53,888.06

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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.