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Finding the Fourth Proportional to 12,796.76, 19,195.12 and 5,000.11

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Solution

The fourth proportional to 12,796.76, 19,195.12 and 5,000.11 is: 7,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.76 : 19,195.12 = 5,000.11 : x
  2. Step 2: Convert to fraction form
    12,796.76/19,195.12 = 5,000.11/x
  3. Step 3: Cross multiply
    12,796.76x = 19,195.12 × 5,000.11
  4. Step 4: Simplify right side
    12,796.76x = 95,977,711.46
  5. Step 5: Solve for x
    x = 95,977,711.46/12,796.76
  6. Step 6: Final answer
    x = 7,500.16

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Double scale
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Similar ratio
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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.