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Finding the Fourth Proportional to 18,410.93, 27,616.40 and 14,053.13

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Solution

The fourth proportional to 18,410.93, 27,616.40 and 14,053.13 is: 21,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.93 : 27,616.40 = 14,053.13 : x
  2. Step 2: Convert to fraction form
    18,410.93/27,616.40 = 14,053.13/x
  3. Step 3: Cross multiply
    18,410.93x = 27,616.40 × 14,053.13
  4. Step 4: Simplify right side
    18,410.93x = 388,096,789.07
  5. Step 5: Solve for x
    x = 388,096,789.07/18,410.93
  6. Step 6: Final answer
    x = 21,079.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.