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Finding the Fourth Proportional to 57,855.45, 79,838.07 and 33,656.48

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Solution

The fourth proportional to 57,855.45, 79,838.07 and 33,656.48 is: 46,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,855.45 : 79,838.07 = 33,656.48 : x
  2. Step 2: Convert to fraction form
    57,855.45/79,838.07 = 33,656.48/x
  3. Step 3: Cross multiply
    57,855.45x = 79,838.07 × 33,656.48
  4. Step 4: Simplify right side
    57,855.45x = 2,687,068,144.96
  5. Step 5: Solve for x
    x = 2,687,068,144.96/57,855.45
  6. Step 6: Final answer
    x = 46,444.51

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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.