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Finding the Fourth Proportional to 42,037.62, 63,040.03 and 18,352.41

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Solution

The fourth proportional to 42,037.62, 63,040.03 and 18,352.41 is: 27,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037.62 : 63,040.03 = 18,352.41 : x
  2. Step 2: Convert to fraction form
    42,037.62/63,040.03 = 18,352.41/x
  3. Step 3: Cross multiply
    42,037.62x = 63,040.03 × 18,352.41
  4. Step 4: Simplify right side
    42,037.62x = 1,156,936,634.57
  5. Step 5: Solve for x
    x = 1,156,936,634.57/42,037.62
  6. Step 6: Final answer
    x = 27,521.46

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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.