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Finding the Fourth Proportional to 56,692.92, 78,236.81 and 32,493.36

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Solution

The fourth proportional to 56,692.92, 78,236.81 and 32,493.36 is: 44,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692.92 : 78,236.81 = 32,493.36 : x
  2. Step 2: Convert to fraction form
    56,692.92/78,236.81 = 32,493.36/x
  3. Step 3: Cross multiply
    56,692.92x = 78,236.81 × 32,493.36
  4. Step 4: Simplify right side
    56,692.92x = 2,542,176,670.11
  5. Step 5: Solve for x
    x = 2,542,176,670.11/56,692.92
  6. Step 6: Final answer
    x = 44,841.17

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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.