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Finding the Fourth Proportional to 62,787.45, 94,070.47 and 33,139.97

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Solution

The fourth proportional to 62,787.45, 94,070.47 and 33,139.97 is: 49,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787.45 : 94,070.47 = 33,139.97 : x
  2. Step 2: Convert to fraction form
    62,787.45/94,070.47 = 33,139.97/x
  3. Step 3: Cross multiply
    62,787.45x = 94,070.47 × 33,139.97
  4. Step 4: Simplify right side
    62,787.45x = 3,117,492,553.69
  5. Step 5: Solve for x
    x = 3,117,492,553.69/62,787.45
  6. Step 6: Final answer
    x = 49,651.52

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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.