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Finding the Fourth Proportional to 29,936.31, 44,902.80 and 9,159.81

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Solution

The fourth proportional to 29,936.31, 44,902.80 and 9,159.81 is: 13,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,936.31 : 44,902.80 = 9,159.81 : x
  2. Step 2: Convert to fraction form
    29,936.31/44,902.80 = 9,159.81/x
  3. Step 3: Cross multiply
    29,936.31x = 44,902.80 × 9,159.81
  4. Step 4: Simplify right side
    29,936.31x = 411,301,116.47
  5. Step 5: Solve for x
    x = 411,301,116.47/29,936.31
  6. Step 6: Final answer
    x = 13,739.21

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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.