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Finding the Fourth Proportional to 55,889.76, 77,121.40 and 32,015.01

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Solution

The fourth proportional to 55,889.76, 77,121.40 and 32,015.01 is: 44,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889.76 : 77,121.40 = 32,015.01 : x
  2. Step 2: Convert to fraction form
    55,889.76/77,121.40 = 32,015.01/x
  3. Step 3: Cross multiply
    55,889.76x = 77,121.40 × 32,015.01
  4. Step 4: Simplify right side
    55,889.76x = 2,469,042,392.21
  5. Step 5: Solve for x
    x = 2,469,042,392.21/55,889.76
  6. Step 6: Final answer
    x = 44,177.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.