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Finding the Fourth Proportional to 29,083.48, 43,621.08 and 9,363.76

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Solution

The fourth proportional to 29,083.48, 43,621.08 and 9,363.76 is: 14,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,083.48 : 43,621.08 = 9,363.76 : x
  2. Step 2: Convert to fraction form
    29,083.48/43,621.08 = 9,363.76/x
  3. Step 3: Cross multiply
    29,083.48x = 43,621.08 × 9,363.76
  4. Step 4: Simplify right side
    29,083.48x = 408,457,324.06
  5. Step 5: Solve for x
    x = 408,457,324.06/29,083.48
  6. Step 6: Final answer
    x = 14,044.31

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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.