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Finding the Fourth Proportional to 6,090.67, 9,119.67 and 4,237.87

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Solution

The fourth proportional to 6,090.67, 9,119.67 and 4,237.87 is: 6,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.67 : 9,119.67 = 4,237.87 : x
  2. Step 2: Convert to fraction form
    6,090.67/9,119.67 = 4,237.87/x
  3. Step 3: Cross multiply
    6,090.67x = 9,119.67 × 4,237.87
  4. Step 4: Simplify right side
    6,090.67x = 38,647,975.90
  5. Step 5: Solve for x
    x = 38,647,975.90/6,090.67
  6. Step 6: Final answer
    x = 6,345.44

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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.