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Finding the Fourth Proportional to 14,048.65, 19,387.12 and 8,080.18

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Solution

The fourth proportional to 14,048.65, 19,387.12 and 8,080.18 is: 11,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.65 : 19,387.12 = 8,080.18 : x
  2. Step 2: Convert to fraction form
    14,048.65/19,387.12 = 8,080.18/x
  3. Step 3: Cross multiply
    14,048.65x = 19,387.12 × 8,080.18
  4. Step 4: Simplify right side
    14,048.65x = 156,651,419.28
  5. Step 5: Solve for x
    x = 156,651,419.28/14,048.65
  6. Step 6: Final answer
    x = 11,150.64

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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.