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Finding the Fourth Proportional to 19,648.36, 27,114.72 and 10,695.85

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Solution

The fourth proportional to 19,648.36, 27,114.72 and 10,695.85 is: 14,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.36 : 27,114.72 = 10,695.85 : x
  2. Step 2: Convert to fraction form
    19,648.36/27,114.72 = 10,695.85/x
  3. Step 3: Cross multiply
    19,648.36x = 27,114.72 × 10,695.85
  4. Step 4: Simplify right side
    19,648.36x = 290,014,977.91
  5. Step 5: Solve for x
    x = 290,014,977.91/19,648.36
  6. Step 6: Final answer
    x = 14,760.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.