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Finding the Fourth Proportional to 30,044.92, 45,046.62 and 13,169.84

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Solution

The fourth proportional to 30,044.92, 45,046.62 and 13,169.84 is: 19,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044.92 : 45,046.62 = 13,169.84 : x
  2. Step 2: Convert to fraction form
    30,044.92/45,046.62 = 13,169.84/x
  3. Step 3: Cross multiply
    30,044.92x = 45,046.62 × 13,169.84
  4. Step 4: Simplify right side
    30,044.92x = 593,256,552.71
  5. Step 5: Solve for x
    x = 593,256,552.71/30,044.92
  6. Step 6: Final answer
    x = 19,745.65

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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.