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Finding the Fourth Proportional to 57,664.65, 79,585.02 and 33,800.88

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Solution

The fourth proportional to 57,664.65, 79,585.02 and 33,800.88 is: 46,649.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664.65 : 79,585.02 = 33,800.88 : x
  2. Step 2: Convert to fraction form
    57,664.65/79,585.02 = 33,800.88/x
  3. Step 3: Cross multiply
    57,664.65x = 79,585.02 × 33,800.88
  4. Step 4: Simplify right side
    57,664.65x = 2,690,043,710.82
  5. Step 5: Solve for x
    x = 2,690,043,710.82/57,664.65
  6. Step 6: Final answer
    x = 46,649.79

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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.