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Finding the Fourth Proportional to 53,016.96, 73,161.96 and 29,143.64

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Solution

The fourth proportional to 53,016.96, 73,161.96 and 29,143.64 is: 40,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,016.96 : 73,161.96 = 29,143.64 : x
  2. Step 2: Convert to fraction form
    53,016.96/73,161.96 = 29,143.64/x
  3. Step 3: Cross multiply
    53,016.96x = 73,161.96 × 29,143.64
  4. Step 4: Simplify right side
    53,016.96x = 2,132,205,823.93
  5. Step 5: Solve for x
    x = 2,132,205,823.93/53,016.96
  6. Step 6: Final answer
    x = 40,217.43

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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.