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Finding the Fourth Proportional to 60,675.61, 83,732.76 and 33,819.85

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Solution

The fourth proportional to 60,675.61, 83,732.76 and 33,819.85 is: 46,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,675.61 : 83,732.76 = 33,819.85 : x
  2. Step 2: Convert to fraction form
    60,675.61/83,732.76 = 33,819.85/x
  3. Step 3: Cross multiply
    60,675.61x = 83,732.76 × 33,819.85
  4. Step 4: Simplify right side
    60,675.61x = 2,831,829,383.29
  5. Step 5: Solve for x
    x = 2,831,829,383.29/60,675.61
  6. Step 6: Final answer
    x = 46,671.63

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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.