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Finding the Fourth Proportional to 69,393.57, 95,713.73 and 47,891.52

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Solution

The fourth proportional to 69,393.57, 95,713.73 and 47,891.52 is: 66,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,393.57 : 95,713.73 = 47,891.52 : x
  2. Step 2: Convert to fraction form
    69,393.57/95,713.73 = 47,891.52/x
  3. Step 3: Cross multiply
    69,393.57x = 95,713.73 × 47,891.52
  4. Step 4: Simplify right side
    69,393.57x = 4,583,875,775.11
  5. Step 5: Solve for x
    x = 4,583,875,775.11/69,393.57
  6. Step 6: Final answer
    x = 66,056.20

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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.