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Finding the Fourth Proportional to 61,561.78, 92,336.91 and 26,494.90

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Solution

The fourth proportional to 61,561.78, 92,336.91 and 26,494.90 is: 39,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,561.78 : 92,336.91 = 26,494.90 : x
  2. Step 2: Convert to fraction form
    61,561.78/92,336.91 = 26,494.90/x
  3. Step 3: Cross multiply
    61,561.78x = 92,336.91 × 26,494.90
  4. Step 4: Simplify right side
    61,561.78x = 2,446,457,196.76
  5. Step 5: Solve for x
    x = 2,446,457,196.76/61,561.78
  6. Step 6: Final answer
    x = 39,739.87

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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.