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Finding the Fourth Proportional to 19,651.57, 27,119.65 and 10,699.56

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Solution

The fourth proportional to 19,651.57, 27,119.65 and 10,699.56 is: 14,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.57 : 27,119.65 = 10,699.56 : x
  2. Step 2: Convert to fraction form
    19,651.57/27,119.65 = 10,699.56/x
  3. Step 3: Cross multiply
    19,651.57x = 27,119.65 × 10,699.56
  4. Step 4: Simplify right side
    19,651.57x = 290,168,425.53
  5. Step 5: Solve for x
    x = 290,168,425.53/19,651.57
  6. Step 6: Final answer
    x = 14,765.66

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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.