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Finding the Fourth Proportional to 64,543.97, 89,079.03 and 36,249.66

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Solution

The fourth proportional to 64,543.97, 89,079.03 and 36,249.66 is: 50,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,543.97 : 89,079.03 = 36,249.66 : x
  2. Step 2: Convert to fraction form
    64,543.97/89,079.03 = 36,249.66/x
  3. Step 3: Cross multiply
    64,543.97x = 89,079.03 × 36,249.66
  4. Step 4: Simplify right side
    64,543.97x = 3,229,084,550.63
  5. Step 5: Solve for x
    x = 3,229,084,550.63/64,543.97
  6. Step 6: Final answer
    x = 50,029.23

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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.