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Finding the Fourth Proportional to 57,722.70, 79,675.47 and 33,859.02

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Solution

The fourth proportional to 57,722.70, 79,675.47 and 33,859.02 is: 46,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.70 : 79,675.47 = 33,859.02 : x
  2. Step 2: Convert to fraction form
    57,722.70/79,675.47 = 33,859.02/x
  3. Step 3: Cross multiply
    57,722.70x = 79,675.47 × 33,859.02
  4. Step 4: Simplify right side
    57,722.70x = 2,697,733,332.24
  5. Step 5: Solve for x
    x = 2,697,733,332.24/57,722.70
  6. Step 6: Final answer
    x = 46,736.09

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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.