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Finding the Fourth Proportional to 6,039.81, 8,335.02 and 3,649.44

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Solution

The fourth proportional to 6,039.81, 8,335.02 and 3,649.44 is: 5,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,039.81 : 8,335.02 = 3,649.44 : x
  2. Step 2: Convert to fraction form
    6,039.81/8,335.02 = 3,649.44/x
  3. Step 3: Cross multiply
    6,039.81x = 8,335.02 × 3,649.44
  4. Step 4: Simplify right side
    6,039.81x = 30,418,137.14
  5. Step 5: Solve for x
    x = 30,418,137.14/6,039.81
  6. Step 6: Final answer
    x = 5,036.28

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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.