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Finding the Fourth Proportional to 69,253.40, 95,578.11 and 39,044.54

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Solution

The fourth proportional to 69,253.40, 95,578.11 and 39,044.54 is: 53,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,253.40 : 95,578.11 = 39,044.54 : x
  2. Step 2: Convert to fraction form
    69,253.40/95,578.11 = 39,044.54/x
  3. Step 3: Cross multiply
    69,253.40x = 95,578.11 × 39,044.54
  4. Step 4: Simplify right side
    69,253.40x = 3,731,803,339.02
  5. Step 5: Solve for x
    x = 3,731,803,339.02/69,253.40
  6. Step 6: Final answer
    x = 53,886.21

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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.