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Finding the Fourth Proportional to 18,497.40, 27,746.10 and 16,711.80

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Solution

The fourth proportional to 18,497.40, 27,746.10 and 16,711.80 is: 25,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.40 : 27,746.10 = 16,711.80 : x
  2. Step 2: Convert to fraction form
    18,497.40/27,746.10 = 16,711.80/x
  3. Step 3: Cross multiply
    18,497.40x = 27,746.10 × 16,711.80
  4. Step 4: Simplify right side
    18,497.40x = 463,687,273.98
  5. Step 5: Solve for x
    x = 463,687,273.98/18,497.40
  6. Step 6: Final answer
    x = 25,067.70

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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.