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Finding the Fourth Proportional to 18,602.38, 27,895.49 and 6,752.21

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Solution

The fourth proportional to 18,602.38, 27,895.49 and 6,752.21 is: 10,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.38 : 27,895.49 = 6,752.21 : x
  2. Step 2: Convert to fraction form
    18,602.38/27,895.49 = 6,752.21/x
  3. Step 3: Cross multiply
    18,602.38x = 27,895.49 × 6,752.21
  4. Step 4: Simplify right side
    18,602.38x = 188,356,331.96
  5. Step 5: Solve for x
    x = 188,356,331.96/18,602.38
  6. Step 6: Final answer
    x = 10,125.39

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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.