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Finding the Fourth Proportional to 27,419.60, 41,161.80 and 27,225.20

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Solution

The fourth proportional to 27,419.60, 41,161.80 and 27,225.20 is: 40,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.60 : 41,161.80 = 27,225.20 : x
  2. Step 2: Convert to fraction form
    27,419.60/41,161.80 = 27,225.20/x
  3. Step 3: Cross multiply
    27,419.60x = 41,161.80 × 27,225.20
  4. Step 4: Simplify right side
    27,419.60x = 1,120,638,237.36
  5. Step 5: Solve for x
    x = 1,120,638,237.36/27,419.60
  6. Step 6: Final answer
    x = 40,869.97

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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.