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Finding the Fourth Proportional to 3,668.10, 5,502.41 and 1,476.84

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Solution

The fourth proportional to 3,668.10, 5,502.41 and 1,476.84 is: 2,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.10 : 5,502.41 = 1,476.84 : x
  2. Step 2: Convert to fraction form
    3,668.10/5,502.41 = 1,476.84/x
  3. Step 3: Cross multiply
    3,668.10x = 5,502.41 × 1,476.84
  4. Step 4: Simplify right side
    3,668.10x = 8,126,179.18
  5. Step 5: Solve for x
    x = 8,126,179.18/3,668.10
  6. Step 6: Final answer
    x = 2,215.36

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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.