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Finding the Fourth Proportional to 70,141.64, 96,791.82 and 38,304.32

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Solution

The fourth proportional to 70,141.64, 96,791.82 and 38,304.32 is: 52,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,141.64 : 96,791.82 = 38,304.32 : x
  2. Step 2: Convert to fraction form
    70,141.64/96,791.82 = 38,304.32/x
  3. Step 3: Cross multiply
    70,141.64x = 96,791.82 × 38,304.32
  4. Step 4: Simplify right side
    70,141.64x = 3,707,544,846.66
  5. Step 5: Solve for x
    x = 3,707,544,846.66/70,141.64
  6. Step 6: Final answer
    x = 52,857.97

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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.