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Finding the Fourth Proportional to 18,101.63, 27,145.78 and 6,252.39

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Solution

The fourth proportional to 18,101.63, 27,145.78 and 6,252.39 is: 9,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.63 : 27,145.78 = 6,252.39 : x
  2. Step 2: Convert to fraction form
    18,101.63/27,145.78 = 6,252.39/x
  3. Step 3: Cross multiply
    18,101.63x = 27,145.78 × 6,252.39
  4. Step 4: Simplify right side
    18,101.63x = 169,726,003.41
  5. Step 5: Solve for x
    x = 169,726,003.41/18,101.63
  6. Step 6: Final answer
    x = 9,376.28

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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.