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Finding the Fourth Proportional to 29,478.74, 44,208.99 and 9,753.21

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Solution

The fourth proportional to 29,478.74, 44,208.99 and 9,753.21 is: 14,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478.74 : 44,208.99 = 9,753.21 : x
  2. Step 2: Convert to fraction form
    29,478.74/44,208.99 = 9,753.21/x
  3. Step 3: Cross multiply
    29,478.74x = 44,208.99 × 9,753.21
  4. Step 4: Simplify right side
    29,478.74x = 431,179,563.36
  5. Step 5: Solve for x
    x = 431,179,563.36/29,478.74
  6. Step 6: Final answer
    x = 14,626.80

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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.