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Finding the Fourth Proportional to 3,668.74, 5,063.51 and 2,177.48

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Solution

The fourth proportional to 3,668.74, 5,063.51 and 2,177.48 is: 3,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.74 : 5,063.51 = 2,177.48 : x
  2. Step 2: Convert to fraction form
    3,668.74/5,063.51 = 2,177.48/x
  3. Step 3: Cross multiply
    3,668.74x = 5,063.51 × 2,177.48
  4. Step 4: Simplify right side
    3,668.74x = 11,025,709.86
  5. Step 5: Solve for x
    x = 11,025,709.86/3,668.74
  6. Step 6: Final answer
    x = 3,005.31

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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.