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Finding the Fourth Proportional to 40,196, 60,299.12 and 11,012

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Solution

The fourth proportional to 40,196, 60,299.12 and 11,012 is: 16,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,196 : 60,299.12 = 11,012 : x
  2. Step 2: Convert to fraction form
    40,196/60,299.12 = 11,012/x
  3. Step 3: Cross multiply
    40,196x = 60,299.12 × 11,012
  4. Step 4: Simplify right side
    40,196x = 664,013,909.44
  5. Step 5: Solve for x
    x = 664,013,909.44/40,196
  6. Step 6: Final answer
    x = 16,519.40

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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.