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Finding the Fourth Proportional to 55,015.44, 82,509.88 and 25,404.81

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Solution

The fourth proportional to 55,015.44, 82,509.88 and 25,404.81 is: 38,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,015.44 : 82,509.88 = 25,404.81 : x
  2. Step 2: Convert to fraction form
    55,015.44/82,509.88 = 25,404.81/x
  3. Step 3: Cross multiply
    55,015.44x = 82,509.88 × 25,404.81
  4. Step 4: Simplify right side
    55,015.44x = 2,096,147,824.52
  5. Step 5: Solve for x
    x = 2,096,147,824.52/55,015.44
  6. Step 6: Final answer
    x = 38,101.08

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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.