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Finding the Fourth Proportional to 70,007.52, 96,617.78 and 42,799.54

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Solution

The fourth proportional to 70,007.52, 96,617.78 and 42,799.54 is: 59,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,007.52 : 96,617.78 = 42,799.54 : x
  2. Step 2: Convert to fraction form
    70,007.52/96,617.78 = 42,799.54/x
  3. Step 3: Cross multiply
    70,007.52x = 96,617.78 × 42,799.54
  4. Step 4: Simplify right side
    70,007.52x = 4,135,196,539.82
  5. Step 5: Solve for x
    x = 4,135,196,539.82/70,007.52
  6. Step 6: Final answer
    x = 59,067.89

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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.