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Finding the Fourth Proportional to 18,035.52, 27,042.44 and 7,492.80

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Solution

The fourth proportional to 18,035.52, 27,042.44 and 7,492.80 is: 11,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.52 : 27,042.44 = 7,492.80 : x
  2. Step 2: Convert to fraction form
    18,035.52/27,042.44 = 7,492.80/x
  3. Step 3: Cross multiply
    18,035.52x = 27,042.44 × 7,492.80
  4. Step 4: Simplify right side
    18,035.52x = 202,623,594.43
  5. Step 5: Solve for x
    x = 202,623,594.43/18,035.52
  6. Step 6: Final answer
    x = 11,234.70

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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.