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Finding the Fourth Proportional to 62,707.80, 94,061.70 and 37,824.60

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Solution

The fourth proportional to 62,707.80, 94,061.70 and 37,824.60 is: 56,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,707.80 : 94,061.70 = 37,824.60 : x
  2. Step 2: Convert to fraction form
    62,707.80/94,061.70 = 37,824.60/x
  3. Step 3: Cross multiply
    62,707.80x = 94,061.70 × 37,824.60
  4. Step 4: Simplify right side
    62,707.80x = 3,557,846,177.82
  5. Step 5: Solve for x
    x = 3,557,846,177.82/62,707.80
  6. Step 6: Final answer
    x = 56,736.90

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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.