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Finding the Fourth Proportional to 61,491.81, 92,219.88 and 25,961.01

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Solution

The fourth proportional to 61,491.81, 92,219.88 and 25,961.01 is: 38,933.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,491.81 : 92,219.88 = 25,961.01 : x
  2. Step 2: Convert to fraction form
    61,491.81/92,219.88 = 25,961.01/x
  3. Step 3: Cross multiply
    61,491.81x = 92,219.88 × 25,961.01
  4. Step 4: Simplify right side
    61,491.81x = 2,394,121,226.88
  5. Step 5: Solve for x
    x = 2,394,121,226.88/61,491.81
  6. Step 6: Final answer
    x = 38,933.99

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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.