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Finding the Fourth Proportional to 14,105.48, 21,127.01 and 5,760.19

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Solution

The fourth proportional to 14,105.48, 21,127.01 and 5,760.19 is: 8,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.48 : 21,127.01 = 5,760.19 : x
  2. Step 2: Convert to fraction form
    14,105.48/21,127.01 = 5,760.19/x
  3. Step 3: Cross multiply
    14,105.48x = 21,127.01 × 5,760.19
  4. Step 4: Simplify right side
    14,105.48x = 121,695,562.32
  5. Step 5: Solve for x
    x = 121,695,562.32/14,105.48
  6. Step 6: Final answer
    x = 8,627.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.