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Finding the Fourth Proportional to 6,294.42, 9,438.12 and 4,322.34

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Solution

The fourth proportional to 6,294.42, 9,438.12 and 4,322.34 is: 6,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294.42 : 9,438.12 = 4,322.34 : x
  2. Step 2: Convert to fraction form
    6,294.42/9,438.12 = 4,322.34/x
  3. Step 3: Cross multiply
    6,294.42x = 9,438.12 × 4,322.34
  4. Step 4: Simplify right side
    6,294.42x = 40,794,763.60
  5. Step 5: Solve for x
    x = 40,794,763.60/6,294.42
  6. Step 6: Final answer
    x = 6,481.10

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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.