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Finding the Fourth Proportional to 61,219.46, 84,484.11 and 34,363.91

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Solution

The fourth proportional to 61,219.46, 84,484.11 and 34,363.91 is: 47,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,219.46 : 84,484.11 = 34,363.91 : x
  2. Step 2: Convert to fraction form
    61,219.46/84,484.11 = 34,363.91/x
  3. Step 3: Cross multiply
    61,219.46x = 84,484.11 × 34,363.91
  4. Step 4: Simplify right side
    61,219.46x = 2,903,204,692.55
  5. Step 5: Solve for x
    x = 2,903,204,692.55/61,219.46
  6. Step 6: Final answer
    x = 47,422.90

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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.