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Finding the Fourth Proportional to 39,950.96, 55,132.49 and 22,046.49

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Solution

The fourth proportional to 39,950.96, 55,132.49 and 22,046.49 is: 30,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.96 : 55,132.49 = 22,046.49 : x
  2. Step 2: Convert to fraction form
    39,950.96/55,132.49 = 22,046.49/x
  3. Step 3: Cross multiply
    39,950.96x = 55,132.49 × 22,046.49
  4. Step 4: Simplify right side
    39,950.96x = 1,215,477,613.80
  5. Step 5: Solve for x
    x = 1,215,477,613.80/39,950.96
  6. Step 6: Final answer
    x = 30,424.24

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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.