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Finding the Fourth Proportional to 49,602.98, 74,404.47 and 18,015.41

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Solution

The fourth proportional to 49,602.98, 74,404.47 and 18,015.41 is: 27,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,602.98 : 74,404.47 = 18,015.41 : x
  2. Step 2: Convert to fraction form
    49,602.98/74,404.47 = 18,015.41/x
  3. Step 3: Cross multiply
    49,602.98x = 74,404.47 × 18,015.41
  4. Step 4: Simplify right side
    49,602.98x = 1,340,427,286.45
  5. Step 5: Solve for x
    x = 1,340,427,286.45/49,602.98
  6. Step 6: Final answer
    x = 27,023.12

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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.