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Finding the Fourth Proportional to 18,042.71, 27,063.46 and 6,355.63

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Solution

The fourth proportional to 18,042.71, 27,063.46 and 6,355.63 is: 9,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.71 : 27,063.46 = 6,355.63 : x
  2. Step 2: Convert to fraction form
    18,042.71/27,063.46 = 6,355.63/x
  3. Step 3: Cross multiply
    18,042.71x = 27,063.46 × 6,355.63
  4. Step 4: Simplify right side
    18,042.71x = 172,005,171.18
  5. Step 5: Solve for x
    x = 172,005,171.18/18,042.71
  6. Step 6: Final answer
    x = 9,533.22

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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.