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Finding the Fourth Proportional to 27,101.21, 40,471.70 and 26,807.99

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Solution

The fourth proportional to 27,101.21, 40,471.70 and 26,807.99 is: 40,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,101.21 : 40,471.70 = 26,807.99 : x
  2. Step 2: Convert to fraction form
    27,101.21/40,471.70 = 26,807.99/x
  3. Step 3: Cross multiply
    27,101.21x = 40,471.70 × 26,807.99
  4. Step 4: Simplify right side
    27,101.21x = 1,084,964,592.48
  5. Step 5: Solve for x
    x = 1,084,964,592.48/27,101.21
  6. Step 6: Final answer
    x = 40,033.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.