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Finding the Fourth Proportional to 67,964.52, 93,758.49 and 47,832.57

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Solution

The fourth proportional to 67,964.52, 93,758.49 and 47,832.57 is: 65,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,964.52 : 93,758.49 = 47,832.57 : x
  2. Step 2: Convert to fraction form
    67,964.52/93,758.49 = 47,832.57/x
  3. Step 3: Cross multiply
    67,964.52x = 93,758.49 × 47,832.57
  4. Step 4: Simplify right side
    67,964.52x = 4,484,709,536.02
  5. Step 5: Solve for x
    x = 4,484,709,536.02/67,964.52
  6. Step 6: Final answer
    x = 65,986.04

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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.