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Finding the Fourth Proportional to 69,722.89, 104,627.26 and 27,595.80

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Solution

The fourth proportional to 69,722.89, 104,627.26 and 27,595.80 is: 41,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,722.89 : 104,627.26 = 27,595.80 : x
  2. Step 2: Convert to fraction form
    69,722.89/104,627.26 = 27,595.80/x
  3. Step 3: Cross multiply
    69,722.89x = 104,627.26 × 27,595.80
  4. Step 4: Simplify right side
    69,722.89x = 2,887,272,941.51
  5. Step 5: Solve for x
    x = 2,887,272,941.51/69,722.89
  6. Step 6: Final answer
    x = 41,410.69

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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.