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Finding the Fourth Proportional to 6,735.15, 9,289.89 and 4,079.16

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Solution

The fourth proportional to 6,735.15, 9,289.89 and 4,079.16 is: 5,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,735.15 : 9,289.89 = 4,079.16 : x
  2. Step 2: Convert to fraction form
    6,735.15/9,289.89 = 4,079.16/x
  3. Step 3: Cross multiply
    6,735.15x = 9,289.89 × 4,079.16
  4. Step 4: Simplify right side
    6,735.15x = 37,894,947.69
  5. Step 5: Solve for x
    x = 37,894,947.69/6,735.15
  6. Step 6: Final answer
    x = 5,626.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.