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Finding the Fourth Proportional to 42,934.44, 64,388.54 and 29,692.54

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Solution

The fourth proportional to 42,934.44, 64,388.54 and 29,692.54 is: 44,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,934.44 : 64,388.54 = 29,692.54 : x
  2. Step 2: Convert to fraction form
    42,934.44/64,388.54 = 29,692.54/x
  3. Step 3: Cross multiply
    42,934.44x = 64,388.54 × 29,692.54
  4. Step 4: Simplify right side
    42,934.44x = 1,911,859,212.75
  5. Step 5: Solve for x
    x = 1,911,859,212.75/42,934.44
  6. Step 6: Final answer
    x = 44,529.73

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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.