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Finding the Fourth Proportional to 19,653.63, 27,121.87 and 10,701.12

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Solution

The fourth proportional to 19,653.63, 27,121.87 and 10,701.12 is: 14,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.63 : 27,121.87 = 10,701.12 : x
  2. Step 2: Convert to fraction form
    19,653.63/27,121.87 = 10,701.12/x
  3. Step 3: Cross multiply
    19,653.63x = 27,121.87 × 10,701.12
  4. Step 4: Simplify right side
    19,653.63x = 290,234,500.58
  5. Step 5: Solve for x
    x = 290,234,500.58/19,653.63
  6. Step 6: Final answer
    x = 14,767.48

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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.