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Finding the Fourth Proportional to 29,821.26, 44,720.82 and 8,755.50

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Solution

The fourth proportional to 29,821.26, 44,720.82 and 8,755.50 is: 13,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.26 : 44,720.82 = 8,755.50 : x
  2. Step 2: Convert to fraction form
    29,821.26/44,720.82 = 8,755.50/x
  3. Step 3: Cross multiply
    29,821.26x = 44,720.82 × 8,755.50
  4. Step 4: Simplify right side
    29,821.26x = 391,553,139.51
  5. Step 5: Solve for x
    x = 391,553,139.51/29,821.26
  6. Step 6: Final answer
    x = 13,130.00

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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.