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Finding the Fourth Proportional to 69,574.45, 95,975.97 and 49,439.47

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Solution

The fourth proportional to 69,574.45, 95,975.97 and 49,439.47 is: 68,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,574.45 : 95,975.97 = 49,439.47 : x
  2. Step 2: Convert to fraction form
    69,574.45/95,975.97 = 49,439.47/x
  3. Step 3: Cross multiply
    69,574.45x = 95,975.97 × 49,439.47
  4. Step 4: Simplify right side
    69,574.45x = 4,745,001,089.54
  5. Step 5: Solve for x
    x = 4,745,001,089.54/69,574.45
  6. Step 6: Final answer
    x = 68,200.34

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1.5x scale

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.