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Finding the Fourth Proportional to 63,362.82, 87,405.62 and 40,705.14

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Solution

The fourth proportional to 63,362.82, 87,405.62 and 40,705.14 is: 56,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,362.82 : 87,405.62 = 40,705.14 : x
  2. Step 2: Convert to fraction form
    63,362.82/87,405.62 = 40,705.14/x
  3. Step 3: Cross multiply
    63,362.82x = 87,405.62 × 40,705.14
  4. Step 4: Simplify right side
    63,362.82x = 3,557,857,998.89
  5. Step 5: Solve for x
    x = 3,557,857,998.89/63,362.82
  6. Step 6: Final answer
    x = 56,150.56

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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.