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Finding the Fourth Proportional to 3,383.53, 4,668.23 and 1,966.94

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Solution

The fourth proportional to 3,383.53, 4,668.23 and 1,966.94 is: 2,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.53 : 4,668.23 = 1,966.94 : x
  2. Step 2: Convert to fraction form
    3,383.53/4,668.23 = 1,966.94/x
  3. Step 3: Cross multiply
    3,383.53x = 4,668.23 × 1,966.94
  4. Step 4: Simplify right side
    3,383.53x = 9,182,128.32
  5. Step 5: Solve for x
    x = 9,182,128.32/3,383.53
  6. Step 6: Final answer
    x = 2,713.77

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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.