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Finding the Fourth Proportional to 4,668.81, 6,999.80 and 2,202.26

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Solution

The fourth proportional to 4,668.81, 6,999.80 and 2,202.26 is: 3,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.81 : 6,999.80 = 2,202.26 : x
  2. Step 2: Convert to fraction form
    4,668.81/6,999.80 = 2,202.26/x
  3. Step 3: Cross multiply
    4,668.81x = 6,999.80 × 2,202.26
  4. Step 4: Simplify right side
    4,668.81x = 15,415,333.54
  5. Step 5: Solve for x
    x = 15,415,333.54/4,668.81
  6. Step 6: Final answer
    x = 3,301.77

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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.