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Finding the Fourth Proportional to 40,192, 60,293.12 and 11,008

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Solution

The fourth proportional to 40,192, 60,293.12 and 11,008 is: 16,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,192 : 60,293.12 = 11,008 : x
  2. Step 2: Convert to fraction form
    40,192/60,293.12 = 11,008/x
  3. Step 3: Cross multiply
    40,192x = 60,293.12 × 11,008
  4. Step 4: Simplify right side
    40,192x = 663,706,664.96
  5. Step 5: Solve for x
    x = 663,706,664.96/40,192
  6. Step 6: Final answer
    x = 16,513.40

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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.