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Finding the Fourth Proportional to 62,717.80, 93,999.90 and 27,620.20

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Solution

The fourth proportional to 62,717.80, 93,999.90 and 27,620.20 is: 41,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,717.80 : 93,999.90 = 27,620.20 : x
  2. Step 2: Convert to fraction form
    62,717.80/93,999.90 = 27,620.20/x
  3. Step 3: Cross multiply
    62,717.80x = 93,999.90 × 27,620.20
  4. Step 4: Simplify right side
    62,717.80x = 2,596,296,037.98
  5. Step 5: Solve for x
    x = 2,596,296,037.98/62,717.80
  6. Step 6: Final answer
    x = 41,396.48

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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.