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Finding the Fourth Proportional to 4,805.01, 7,205.04 and 2,831.22

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Solution

The fourth proportional to 4,805.01, 7,205.04 and 2,831.22 is: 4,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.01 : 7,205.04 = 2,831.22 : x
  2. Step 2: Convert to fraction form
    4,805.01/7,205.04 = 2,831.22/x
  3. Step 3: Cross multiply
    4,805.01x = 7,205.04 × 2,831.22
  4. Step 4: Simplify right side
    4,805.01x = 20,399,053.35
  5. Step 5: Solve for x
    x = 20,399,053.35/4,805.01
  6. Step 6: Final answer
    x = 4,245.37

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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.