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Finding the Fourth Proportional to 62,786.07, 94,179.15 and 39,428.91

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Solution

The fourth proportional to 62,786.07, 94,179.15 and 39,428.91 is: 59,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,786.07 : 94,179.15 = 39,428.91 : x
  2. Step 2: Convert to fraction form
    62,786.07/94,179.15 = 39,428.91/x
  3. Step 3: Cross multiply
    62,786.07x = 94,179.15 × 39,428.91
  4. Step 4: Simplify right side
    62,786.07x = 3,713,381,229.23
  5. Step 5: Solve for x
    x = 3,713,381,229.23/62,786.07
  6. Step 6: Final answer
    x = 59,143.39

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1.5x scale

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.