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Finding the Fourth Proportional to 3,663.72, 5,048.02 and 3,064.12

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Solution

The fourth proportional to 3,663.72, 5,048.02 and 3,064.12 is: 4,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.72 : 5,048.02 = 3,064.12 : x
  2. Step 2: Convert to fraction form
    3,663.72/5,048.02 = 3,064.12/x
  3. Step 3: Cross multiply
    3,663.72x = 5,048.02 × 3,064.12
  4. Step 4: Simplify right side
    3,663.72x = 15,467,739.04
  5. Step 5: Solve for x
    x = 15,467,739.04/3,663.72
  6. Step 6: Final answer
    x = 4,221.87

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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.