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Finding the Fourth Proportional to 18,092.96, 27,137.28 and 4,946.48

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Solution

The fourth proportional to 18,092.96, 27,137.28 and 4,946.48 is: 7,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.96 : 27,137.28 = 4,946.48 : x
  2. Step 2: Convert to fraction form
    18,092.96/27,137.28 = 4,946.48/x
  3. Step 3: Cross multiply
    18,092.96x = 27,137.28 × 4,946.48
  4. Step 4: Simplify right side
    18,092.96x = 134,234,012.77
  5. Step 5: Solve for x
    x = 134,234,012.77/18,092.96
  6. Step 6: Final answer
    x = 7,419.13

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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.