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Finding the Fourth Proportional to 61,491.44, 84,858.48 and 34,634.41

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Solution

The fourth proportional to 61,491.44, 84,858.48 and 34,634.41 is: 47,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,491.44 : 84,858.48 = 34,634.41 : x
  2. Step 2: Convert to fraction form
    61,491.44/84,858.48 = 34,634.41/x
  3. Step 3: Cross multiply
    61,491.44x = 84,858.48 × 34,634.41
  4. Step 4: Simplify right side
    61,491.44x = 2,939,023,176.15
  5. Step 5: Solve for x
    x = 2,939,023,176.15/61,491.44
  6. Step 6: Final answer
    x = 47,795.65

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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.