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Finding the Fourth Proportional to 69,356.70, 95,686.47 and 45,496.62

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Solution

The fourth proportional to 69,356.70, 95,686.47 and 45,496.62 is: 62,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,356.70 : 95,686.47 = 45,496.62 : x
  2. Step 2: Convert to fraction form
    69,356.70/95,686.47 = 45,496.62/x
  3. Step 3: Cross multiply
    69,356.70x = 95,686.47 × 45,496.62
  4. Step 4: Simplify right side
    69,356.70x = 4,353,410,964.73
  5. Step 5: Solve for x
    x = 4,353,410,964.73/69,356.70
  6. Step 6: Final answer
    x = 62,768.43

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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.