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Finding the Fourth Proportional to 70,692.71, 97,525.08 and 40,471.09

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Solution

The fourth proportional to 70,692.71, 97,525.08 and 40,471.09 is: 55,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,692.71 : 97,525.08 = 40,471.09 : x
  2. Step 2: Convert to fraction form
    70,692.71/97,525.08 = 40,471.09/x
  3. Step 3: Cross multiply
    70,692.71x = 97,525.08 × 40,471.09
  4. Step 4: Simplify right side
    70,692.71x = 3,946,946,046.12
  5. Step 5: Solve for x
    x = 3,946,946,046.12/70,692.71
  6. Step 6: Final answer
    x = 55,832.44

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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.