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Finding the Fourth Proportional to 18,510.44, 27,767.82 and 18,510.44

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Solution

The fourth proportional to 18,510.44, 27,767.82 and 18,510.44 is: 27,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.44 : 27,767.82 = 18,510.44 : x
  2. Step 2: Convert to fraction form
    18,510.44/27,767.82 = 18,510.44/x
  3. Step 3: Cross multiply
    18,510.44x = 27,767.82 × 18,510.44
  4. Step 4: Simplify right side
    18,510.44x = 513,994,566.04
  5. Step 5: Solve for x
    x = 513,994,566.04/18,510.44
  6. Step 6: Final answer
    x = 27,767.82

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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.