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Finding the Fourth Proportional to 11,092.83, 15,313.10 and 7,318.23

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Solution

The fourth proportional to 11,092.83, 15,313.10 and 7,318.23 is: 10,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092.83 : 15,313.10 = 7,318.23 : x
  2. Step 2: Convert to fraction form
    11,092.83/15,313.10 = 7,318.23/x
  3. Step 3: Cross multiply
    11,092.83x = 15,313.10 × 7,318.23
  4. Step 4: Simplify right side
    11,092.83x = 112,064,751.22
  5. Step 5: Solve for x
    x = 112,064,751.22/11,092.83
  6. Step 6: Final answer
    x = 10,102.45

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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.