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Finding the Fourth Proportional to 69,110.65, 95,371.50 and 38,895.94

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Solution

The fourth proportional to 69,110.65, 95,371.50 and 38,895.94 is: 53,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,110.65 : 95,371.50 = 38,895.94 : x
  2. Step 2: Convert to fraction form
    69,110.65/95,371.50 = 38,895.94/x
  3. Step 3: Cross multiply
    69,110.65x = 95,371.50 × 38,895.94
  4. Step 4: Simplify right side
    69,110.65x = 3,709,564,141.71
  5. Step 5: Solve for x
    x = 3,709,564,141.71/69,110.65
  6. Step 6: Final answer
    x = 53,675.72

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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.