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Finding the Fourth Proportional to 11,562.68, 17,345.82 and 3,769.68

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Solution

The fourth proportional to 11,562.68, 17,345.82 and 3,769.68 is: 5,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.68 : 17,345.82 = 3,769.68 : x
  2. Step 2: Convert to fraction form
    11,562.68/17,345.82 = 3,769.68/x
  3. Step 3: Cross multiply
    11,562.68x = 17,345.82 × 3,769.68
  4. Step 4: Simplify right side
    11,562.68x = 65,388,190.74
  5. Step 5: Solve for x
    x = 65,388,190.74/11,562.68
  6. Step 6: Final answer
    x = 5,655.11

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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.