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Finding the Fourth Proportional to 17,178.76, 23,703.78 and 10,462.12

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Solution

The fourth proportional to 17,178.76, 23,703.78 and 10,462.12 is: 14,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.76 : 23,703.78 = 10,462.12 : x
  2. Step 2: Convert to fraction form
    17,178.76/23,703.78 = 10,462.12/x
  3. Step 3: Cross multiply
    17,178.76x = 23,703.78 × 10,462.12
  4. Step 4: Simplify right side
    17,178.76x = 247,991,790.81
  5. Step 5: Solve for x
    x = 247,991,790.81/17,178.76
  6. Step 6: Final answer
    x = 14,435.95

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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.