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Finding the Fourth Proportional to 36,564.88, 54,847.32 and 8,862.88

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Solution

The fourth proportional to 36,564.88, 54,847.32 and 8,862.88 is: 13,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,564.88 : 54,847.32 = 8,862.88 : x
  2. Step 2: Convert to fraction form
    36,564.88/54,847.32 = 8,862.88/x
  3. Step 3: Cross multiply
    36,564.88x = 54,847.32 × 8,862.88
  4. Step 4: Simplify right side
    36,564.88x = 486,104,896.93
  5. Step 5: Solve for x
    x = 486,104,896.93/36,564.88
  6. Step 6: Final answer
    x = 13,294.31

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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.