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Finding the Fourth Proportional to 61,550.32, 84,924.28 and 34,692.88

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Solution

The fourth proportional to 61,550.32, 84,924.28 and 34,692.88 is: 47,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,550.32 : 84,924.28 = 34,692.88 : x
  2. Step 2: Convert to fraction form
    61,550.32/84,924.28 = 34,692.88/x
  3. Step 3: Cross multiply
    61,550.32x = 84,924.28 × 34,692.88
  4. Step 4: Simplify right side
    61,550.32x = 2,946,267,855.13
  5. Step 5: Solve for x
    x = 2,946,267,855.13/61,550.32
  6. Step 6: Final answer
    x = 47,867.63

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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.