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Finding the Fourth Proportional to 14,048.53, 19,387.53 and 8,080.19

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Solution

The fourth proportional to 14,048.53, 19,387.53 and 8,080.19 is: 11,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.53 : 19,387.53 = 8,080.19 : x
  2. Step 2: Convert to fraction form
    14,048.53/19,387.53 = 8,080.19/x
  3. Step 3: Cross multiply
    14,048.53x = 19,387.53 × 8,080.19
  4. Step 4: Simplify right side
    14,048.53x = 156,654,974.50
  5. Step 5: Solve for x
    x = 156,654,974.50/14,048.53
  6. Step 6: Final answer
    x = 11,150.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.