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Finding the Fourth Proportional to 61,690.74, 92,573.12 and 26,630.34

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Solution

The fourth proportional to 61,690.74, 92,573.12 and 26,630.34 is: 39,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,690.74 : 92,573.12 = 26,630.34 : x
  2. Step 2: Convert to fraction form
    61,690.74/92,573.12 = 26,630.34/x
  3. Step 3: Cross multiply
    61,690.74x = 92,573.12 × 26,630.34
  4. Step 4: Simplify right side
    61,690.74x = 2,465,253,660.46
  5. Step 5: Solve for x
    x = 2,465,253,660.46/61,690.74
  6. Step 6: Final answer
    x = 39,961.49

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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.