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Finding the Fourth Proportional to 63,694.55, 87,858.62 and 41,009.90

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Solution

The fourth proportional to 63,694.55, 87,858.62 and 41,009.90 is: 56,567.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,694.55 : 87,858.62 = 41,009.90 : x
  2. Step 2: Convert to fraction form
    63,694.55/87,858.62 = 41,009.90/x
  3. Step 3: Cross multiply
    63,694.55x = 87,858.62 × 41,009.90
  4. Step 4: Simplify right side
    63,694.55x = 3,603,072,960.46
  5. Step 5: Solve for x
    x = 3,603,072,960.46/63,694.55
  6. Step 6: Final answer
    x = 56,567.99

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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.