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Finding the Fourth Proportional to 11,172.76, 16,739.15 and 7,463.76

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Solution

The fourth proportional to 11,172.76, 16,739.15 and 7,463.76 is: 11,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.76 : 16,739.15 = 7,463.76 : x
  2. Step 2: Convert to fraction form
    11,172.76/16,739.15 = 7,463.76/x
  3. Step 3: Cross multiply
    11,172.76x = 16,739.15 × 7,463.76
  4. Step 4: Simplify right side
    11,172.76x = 124,936,998.20
  5. Step 5: Solve for x
    x = 124,936,998.20/11,172.76
  6. Step 6: Final answer
    x = 11,182.29

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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.