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Finding the Fourth Proportional to 7,453.68, 11,189.16 and 3,997.68

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Solution

The fourth proportional to 7,453.68, 11,189.16 and 3,997.68 is: 6,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.68 : 11,189.16 = 3,997.68 : x
  2. Step 2: Convert to fraction form
    7,453.68/11,189.16 = 3,997.68/x
  3. Step 3: Cross multiply
    7,453.68x = 11,189.16 × 3,997.68
  4. Step 4: Simplify right side
    7,453.68x = 44,730,681.15
  5. Step 5: Solve for x
    x = 44,730,681.15/7,453.68
  6. Step 6: Final answer
    x = 6,001.15

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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.