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Finding the Fourth Proportional to 19,695.66, 29,537.10 and 6,544.50

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Solution

The fourth proportional to 19,695.66, 29,537.10 and 6,544.50 is: 9,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.66 : 29,537.10 = 6,544.50 : x
  2. Step 2: Convert to fraction form
    19,695.66/29,537.10 = 6,544.50/x
  3. Step 3: Cross multiply
    19,695.66x = 29,537.10 × 6,544.50
  4. Step 4: Simplify right side
    19,695.66x = 193,305,550.95
  5. Step 5: Solve for x
    x = 193,305,550.95/19,695.66
  6. Step 6: Final answer
    x = 9,814.63

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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.