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Finding the Fourth Proportional to 5,726.92, 7,903.01 and 3,369.21

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Solution

The fourth proportional to 5,726.92, 7,903.01 and 3,369.21 is: 4,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.92 : 7,903.01 = 3,369.21 : x
  2. Step 2: Convert to fraction form
    5,726.92/7,903.01 = 3,369.21/x
  3. Step 3: Cross multiply
    5,726.92x = 7,903.01 × 3,369.21
  4. Step 4: Simplify right side
    5,726.92x = 26,626,908.75
  5. Step 5: Solve for x
    x = 26,626,908.75/5,726.92
  6. Step 6: Final answer
    x = 4,649.43

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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.