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Finding the Fourth Proportional to 69,322.91, 95,665.64 and 37,491.81

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Solution

The fourth proportional to 69,322.91, 95,665.64 and 37,491.81 is: 51,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,322.91 : 95,665.64 = 37,491.81 : x
  2. Step 2: Convert to fraction form
    69,322.91/95,665.64 = 37,491.81/x
  3. Step 3: Cross multiply
    69,322.91x = 95,665.64 × 37,491.81
  4. Step 4: Simplify right side
    69,322.91x = 3,586,677,810.95
  5. Step 5: Solve for x
    x = 3,586,677,810.95/69,322.91
  6. Step 6: Final answer
    x = 51,738.71

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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.