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Finding the Fourth Proportional to 69,470.70, 95,868.81 and 37,637.70

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Solution

The fourth proportional to 69,470.70, 95,868.81 and 37,637.70 is: 51,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.70 : 95,868.81 = 37,637.70 : x
  2. Step 2: Convert to fraction form
    69,470.70/95,868.81 = 37,637.70/x
  3. Step 3: Cross multiply
    69,470.70x = 95,868.81 × 37,637.70
  4. Step 4: Simplify right side
    69,470.70x = 3,608,281,510.14
  5. Step 5: Solve for x
    x = 3,608,281,510.14/69,470.70
  6. Step 6: Final answer
    x = 51,939.62

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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.