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Finding the Fourth Proportional to 18,200.10, 27,300.13 and 5,052.47

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Solution

The fourth proportional to 18,200.10, 27,300.13 and 5,052.47 is: 7,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.10 : 27,300.13 = 5,052.47 : x
  2. Step 2: Convert to fraction form
    18,200.10/27,300.13 = 5,052.47/x
  3. Step 3: Cross multiply
    18,200.10x = 27,300.13 × 5,052.47
  4. Step 4: Simplify right side
    18,200.10x = 137,933,087.82
  5. Step 5: Solve for x
    x = 137,933,087.82/18,200.10
  6. Step 6: Final answer
    x = 7,578.70

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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.