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Finding the Fourth Proportional to 69,964.32, 96,474.54 and 47,263.92

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Solution

The fourth proportional to 69,964.32, 96,474.54 and 47,263.92 is: 65,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,964.32 : 96,474.54 = 47,263.92 : x
  2. Step 2: Convert to fraction form
    69,964.32/96,474.54 = 47,263.92/x
  3. Step 3: Cross multiply
    69,964.32x = 96,474.54 × 47,263.92
  4. Step 4: Simplify right side
    69,964.32x = 4,559,764,940.60
  5. Step 5: Solve for x
    x = 4,559,764,940.60/69,964.32
  6. Step 6: Final answer
    x = 65,172.72

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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.