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Finding the Fourth Proportional to 69,564.04, 95,922.30 and 51,692.20

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Solution

The fourth proportional to 69,564.04, 95,922.30 and 51,692.20 is: 71,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,564.04 : 95,922.30 = 51,692.20 : x
  2. Step 2: Convert to fraction form
    69,564.04/95,922.30 = 51,692.20/x
  3. Step 3: Cross multiply
    69,564.04x = 95,922.30 × 51,692.20
  4. Step 4: Simplify right side
    69,564.04x = 4,958,434,716.06
  5. Step 5: Solve for x
    x = 4,958,434,716.06/69,564.04
  6. Step 6: Final answer
    x = 71,278.71

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1.5x scale

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.