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Finding the Fourth Proportional to 61,076.22, 91,672.65 and 37,748.22

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Solution

The fourth proportional to 61,076.22, 91,672.65 and 37,748.22 is: 56,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,076.22 : 91,672.65 = 37,748.22 : x
  2. Step 2: Convert to fraction form
    61,076.22/91,672.65 = 37,748.22/x
  3. Step 3: Cross multiply
    61,076.22x = 91,672.65 × 37,748.22
  4. Step 4: Simplify right side
    61,076.22x = 3,460,479,360.18
  5. Step 5: Solve for x
    x = 3,460,479,360.18/61,076.22
  6. Step 6: Final answer
    x = 56,658.37

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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.