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Finding the Fourth Proportional to 6,442.14, 9,665.04 and 3,324.42

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Solution

The fourth proportional to 6,442.14, 9,665.04 and 3,324.42 is: 4,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.14 : 9,665.04 = 3,324.42 : x
  2. Step 2: Convert to fraction form
    6,442.14/9,665.04 = 3,324.42/x
  3. Step 3: Cross multiply
    6,442.14x = 9,665.04 × 3,324.42
  4. Step 4: Simplify right side
    6,442.14x = 32,130,652.28
  5. Step 5: Solve for x
    x = 32,130,652.28/6,442.14
  6. Step 6: Final answer
    x = 4,987.57

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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.