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Finding the Fourth Proportional to 18,141.01, 27,201.58 and 5,657.69

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Solution

The fourth proportional to 18,141.01, 27,201.58 and 5,657.69 is: 8,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.01 : 27,201.58 = 5,657.69 : x
  2. Step 2: Convert to fraction form
    18,141.01/27,201.58 = 5,657.69/x
  3. Step 3: Cross multiply
    18,141.01x = 27,201.58 × 5,657.69
  4. Step 4: Simplify right side
    18,141.01x = 153,898,107.15
  5. Step 5: Solve for x
    x = 153,898,107.15/18,141.01
  6. Step 6: Final answer
    x = 8,483.44

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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.