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Finding the Fourth Proportional to 53,161.83, 79,764.71 and 26,874.27

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Solution

The fourth proportional to 53,161.83, 79,764.71 and 26,874.27 is: 40,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,161.83 : 79,764.71 = 26,874.27 : x
  2. Step 2: Convert to fraction form
    53,161.83/79,764.71 = 26,874.27/x
  3. Step 3: Cross multiply
    53,161.83x = 79,764.71 × 26,874.27
  4. Step 4: Simplify right side
    53,161.83x = 2,143,618,218.64
  5. Step 5: Solve for x
    x = 2,143,618,218.64/53,161.83
  6. Step 6: Final answer
    x = 40,322.51

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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.