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Finding the Fourth Proportional to 63,455.81, 87,566.57 and 36,603.09

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Solution

The fourth proportional to 63,455.81, 87,566.57 and 36,603.09 is: 50,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,455.81 : 87,566.57 = 36,603.09 : x
  2. Step 2: Convert to fraction form
    63,455.81/87,566.57 = 36,603.09/x
  3. Step 3: Cross multiply
    63,455.81x = 87,566.57 × 36,603.09
  4. Step 4: Simplify right side
    63,455.81x = 3,205,206,996.95
  5. Step 5: Solve for x
    x = 3,205,206,996.95/63,455.81
  6. Step 6: Final answer
    x = 50,510.86

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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.