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Finding the Fourth Proportional to 62,140.80, 85,754.72 and 33,846.24

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Solution

The fourth proportional to 62,140.80, 85,754.72 and 33,846.24 is: 46,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,140.80 : 85,754.72 = 33,846.24 : x
  2. Step 2: Convert to fraction form
    62,140.80/85,754.72 = 33,846.24/x
  3. Step 3: Cross multiply
    62,140.80x = 85,754.72 × 33,846.24
  4. Step 4: Simplify right side
    62,140.80x = 2,902,474,834.25
  5. Step 5: Solve for x
    x = 2,902,474,834.25/62,140.80
  6. Step 6: Final answer
    x = 46,708.04

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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.