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Finding the Fourth Proportional to 6,667.48, 9,202.30 and 3,834.63

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Solution

The fourth proportional to 6,667.48, 9,202.30 and 3,834.63 is: 5,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.48 : 9,202.30 = 3,834.63 : x
  2. Step 2: Convert to fraction form
    6,667.48/9,202.30 = 3,834.63/x
  3. Step 3: Cross multiply
    6,667.48x = 9,202.30 × 3,834.63
  4. Step 4: Simplify right side
    6,667.48x = 35,287,415.65
  5. Step 5: Solve for x
    x = 35,287,415.65/6,667.48
  6. Step 6: Final answer
    x = 5,292.47

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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.