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Finding the Fourth Proportional to 62,887.42, 86,796.96 and 36,047.90

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Solution

The fourth proportional to 62,887.42, 86,796.96 and 36,047.90 is: 49,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,887.42 : 86,796.96 = 36,047.90 : x
  2. Step 2: Convert to fraction form
    62,887.42/86,796.96 = 36,047.90/x
  3. Step 3: Cross multiply
    62,887.42x = 86,796.96 × 36,047.90
  4. Step 4: Simplify right side
    62,887.42x = 3,128,848,134.38
  5. Step 5: Solve for x
    x = 3,128,848,134.38/62,887.42
  6. Step 6: Final answer
    x = 49,753.16

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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.