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Finding the Fourth Proportional to 27,419.80, 41,129.70 and 25,014.10

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Solution

The fourth proportional to 27,419.80, 41,129.70 and 25,014.10 is: 37,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.80 : 41,129.70 = 25,014.10 : x
  2. Step 2: Convert to fraction form
    27,419.80/41,129.70 = 25,014.10/x
  3. Step 3: Cross multiply
    27,419.80x = 41,129.70 × 25,014.10
  4. Step 4: Simplify right side
    27,419.80x = 1,028,822,428.77
  5. Step 5: Solve for x
    x = 1,028,822,428.77/27,419.80
  6. Step 6: Final answer
    x = 37,521.15

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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.