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Finding the Fourth Proportional to 60,143.75, 82,994.94 and 33,284.66

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Solution

The fourth proportional to 60,143.75, 82,994.94 and 33,284.66 is: 45,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,143.75 : 82,994.94 = 33,284.66 : x
  2. Step 2: Convert to fraction form
    60,143.75/82,994.94 = 33,284.66/x
  3. Step 3: Cross multiply
    60,143.75x = 82,994.94 × 33,284.66
  4. Step 4: Simplify right side
    60,143.75x = 2,762,458,341.59
  5. Step 5: Solve for x
    x = 2,762,458,341.59/60,143.75
  6. Step 6: Final answer
    x = 45,930.93

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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.