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Finding the Fourth Proportional to 12,796.47, 17,663.94 and 7,493.00

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Solution

The fourth proportional to 12,796.47, 17,663.94 and 7,493.00 is: 10,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.47 : 17,663.94 = 7,493.00 : x
  2. Step 2: Convert to fraction form
    12,796.47/17,663.94 = 7,493.00/x
  3. Step 3: Cross multiply
    12,796.47x = 17,663.94 × 7,493.00
  4. Step 4: Simplify right side
    12,796.47x = 132,355,814.10
  5. Step 5: Solve for x
    x = 132,355,814.10/12,796.47
  6. Step 6: Final answer
    x = 10,343.15

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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.