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Finding the Fourth Proportional to 19,902.34, 27,465.24 and 10,950.46

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Solution

The fourth proportional to 19,902.34, 27,465.24 and 10,950.46 is: 15,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.34 : 27,465.24 = 10,950.46 : x
  2. Step 2: Convert to fraction form
    19,902.34/27,465.24 = 10,950.46/x
  3. Step 3: Cross multiply
    19,902.34x = 27,465.24 × 10,950.46
  4. Step 4: Simplify right side
    19,902.34x = 300,757,012.01
  5. Step 5: Solve for x
    x = 300,757,012.01/19,902.34
  6. Step 6: Final answer
    x = 15,111.64

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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.