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Finding the Fourth Proportional to 67,603.97, 93,290.65 and 36,976.57

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Solution

The fourth proportional to 67,603.97, 93,290.65 and 36,976.57 is: 51,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,603.97 : 93,290.65 = 36,976.57 : x
  2. Step 2: Convert to fraction form
    67,603.97/93,290.65 = 36,976.57/x
  3. Step 3: Cross multiply
    67,603.97x = 93,290.65 × 36,976.57
  4. Step 4: Simplify right side
    67,603.97x = 3,449,567,783.62
  5. Step 5: Solve for x
    x = 3,449,567,783.62/67,603.97
  6. Step 6: Final answer
    x = 51,026.12

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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.