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Finding the Fourth Proportional to 57,854.36, 79,837.94 and 32,703.86

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Solution

The fourth proportional to 57,854.36, 79,837.94 and 32,703.86 is: 45,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,854.36 : 79,837.94 = 32,703.86 : x
  2. Step 2: Convert to fraction form
    57,854.36/79,837.94 = 32,703.86/x
  3. Step 3: Cross multiply
    57,854.36x = 79,837.94 × 32,703.86
  4. Step 4: Simplify right side
    57,854.36x = 2,611,008,249.74
  5. Step 5: Solve for x
    x = 2,611,008,249.74/57,854.36
  6. Step 6: Final answer
    x = 45,130.71

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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.