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Finding the Fourth Proportional to 70,067.16, 96,692.16 and 38,235.36

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Solution

The fourth proportional to 70,067.16, 96,692.16 and 38,235.36 is: 52,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.16 : 96,692.16 = 38,235.36 : x
  2. Step 2: Convert to fraction form
    70,067.16/96,692.16 = 38,235.36/x
  3. Step 3: Cross multiply
    70,067.16x = 96,692.16 × 38,235.36
  4. Step 4: Simplify right side
    70,067.16x = 3,697,059,546.78
  5. Step 5: Solve for x
    x = 3,697,059,546.78/70,067.16
  6. Step 6: Final answer
    x = 52,764.51

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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.