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Finding the Fourth Proportional to 61,961.48, 92,889.96 and 26,874.71

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Solution

The fourth proportional to 61,961.48, 92,889.96 and 26,874.71 is: 40,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,961.48 : 92,889.96 = 26,874.71 : x
  2. Step 2: Convert to fraction form
    61,961.48/92,889.96 = 26,874.71/x
  3. Step 3: Cross multiply
    61,961.48x = 92,889.96 × 26,874.71
  4. Step 4: Simplify right side
    61,961.48x = 2,496,390,736.91
  5. Step 5: Solve for x
    x = 2,496,390,736.91/61,961.48
  6. Step 6: Final answer
    x = 40,289.40

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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.