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Finding the Fourth Proportional to 61,786.31, 92,679.47 and 22,334.20

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Solution

The fourth proportional to 61,786.31, 92,679.47 and 22,334.20 is: 33,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,786.31 : 92,679.47 = 22,334.20 : x
  2. Step 2: Convert to fraction form
    61,786.31/92,679.47 = 22,334.20/x
  3. Step 3: Cross multiply
    61,786.31x = 92,679.47 × 22,334.20
  4. Step 4: Simplify right side
    61,786.31x = 2,069,921,818.87
  5. Step 5: Solve for x
    x = 2,069,921,818.87/61,786.31
  6. Step 6: Final answer
    x = 33,501.30

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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.