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Finding the Fourth Proportional to 69,717.83, 104,530.51 and 25,339.31

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Solution

The fourth proportional to 69,717.83, 104,530.51 and 25,339.31 is: 37,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,717.83 : 104,530.51 = 25,339.31 : x
  2. Step 2: Convert to fraction form
    69,717.83/104,530.51 = 25,339.31/x
  3. Step 3: Cross multiply
    69,717.83x = 104,530.51 × 25,339.31
  4. Step 4: Simplify right side
    69,717.83x = 2,648,730,997.35
  5. Step 5: Solve for x
    x = 2,648,730,997.35/69,717.83
  6. Step 6: Final answer
    x = 37,992.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.