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Finding the Fourth Proportional to 73,005.94, 109,508.91 and 25,658.20

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Solution

The fourth proportional to 73,005.94, 109,508.91 and 25,658.20 is: 38,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,005.94 : 109,508.91 = 25,658.20 : x
  2. Step 2: Convert to fraction form
    73,005.94/109,508.91 = 25,658.20/x
  3. Step 3: Cross multiply
    73,005.94x = 109,508.91 × 25,658.20
  4. Step 4: Simplify right side
    73,005.94x = 2,809,801,514.56
  5. Step 5: Solve for x
    x = 2,809,801,514.56/73,005.94
  6. Step 6: Final answer
    x = 38,487.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.