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Finding the Fourth Proportional to 18,843.52, 28,127.62 and 17,473.04

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Solution

The fourth proportional to 18,843.52, 28,127.62 and 17,473.04 is: 26,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.52 : 28,127.62 = 17,473.04 : x
  2. Step 2: Convert to fraction form
    18,843.52/28,127.62 = 17,473.04/x
  3. Step 3: Cross multiply
    18,843.52x = 28,127.62 × 17,473.04
  4. Step 4: Simplify right side
    18,843.52x = 491,475,029.36
  5. Step 5: Solve for x
    x = 491,475,029.36/18,843.52
  6. Step 6: Final answer
    x = 26,081.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.