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Finding the Fourth Proportional to 19,092.23, 28,640.28 and 6,612.23

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Solution

The fourth proportional to 19,092.23, 28,640.28 and 6,612.23 is: 9,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.23 : 28,640.28 = 6,612.23 : x
  2. Step 2: Convert to fraction form
    19,092.23/28,640.28 = 6,612.23/x
  3. Step 3: Cross multiply
    19,092.23x = 28,640.28 × 6,612.23
  4. Step 4: Simplify right side
    19,092.23x = 189,375,975.42
  5. Step 5: Solve for x
    x = 189,375,975.42/19,092.23
  6. Step 6: Final answer
    x = 9,919.01

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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.