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Finding the Fourth Proportional to 69,919.44, 96,488.31 and 38,088.34

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Solution

The fourth proportional to 69,919.44, 96,488.31 and 38,088.34 is: 52,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,919.44 : 96,488.31 = 38,088.34 : x
  2. Step 2: Convert to fraction form
    69,919.44/96,488.31 = 38,088.34/x
  3. Step 3: Cross multiply
    69,919.44x = 96,488.31 × 38,088.34
  4. Step 4: Simplify right side
    69,919.44x = 3,675,079,458.92
  5. Step 5: Solve for x
    x = 3,675,079,458.92/69,919.44
  6. Step 6: Final answer
    x = 52,561.63

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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.