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Finding the Fourth Proportional to 6,668.36, 9,203.46 and 3,875.48

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Solution

The fourth proportional to 6,668.36, 9,203.46 and 3,875.48 is: 5,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.36 : 9,203.46 = 3,875.48 : x
  2. Step 2: Convert to fraction form
    6,668.36/9,203.46 = 3,875.48/x
  3. Step 3: Cross multiply
    6,668.36x = 9,203.46 × 3,875.48
  4. Step 4: Simplify right side
    6,668.36x = 35,667,825.16
  5. Step 5: Solve for x
    x = 35,667,825.16/6,668.36
  6. Step 6: Final answer
    x = 5,348.82

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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.