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Finding the Fourth Proportional to 3,606.33, 5,408.87 and 1,008.66

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Solution

The fourth proportional to 3,606.33, 5,408.87 and 1,008.66 is: 1,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.33 : 5,408.87 = 1,008.66 : x
  2. Step 2: Convert to fraction form
    3,606.33/5,408.87 = 1,008.66/x
  3. Step 3: Cross multiply
    3,606.33x = 5,408.87 × 1,008.66
  4. Step 4: Simplify right side
    3,606.33x = 5,455,710.81
  5. Step 5: Solve for x
    x = 5,455,710.81/3,606.33
  6. Step 6: Final answer
    x = 1,512.82

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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.