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Finding the Fourth Proportional to 70,067.99, 96,695.88 and 38,238.94

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Solution

The fourth proportional to 70,067.99, 96,695.88 and 38,238.94 is: 52,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.99 : 96,695.88 = 38,238.94 : x
  2. Step 2: Convert to fraction form
    70,067.99/96,695.88 = 38,238.94/x
  3. Step 3: Cross multiply
    70,067.99x = 96,695.88 × 38,238.94
  4. Step 4: Simplify right side
    70,067.99x = 3,697,547,953.57
  5. Step 5: Solve for x
    x = 3,697,547,953.57/70,067.99
  6. Step 6: Final answer
    x = 52,770.86

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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.