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Finding the Fourth Proportional to 3,652.93, 5,479.35 and 3,475.84

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Solution

The fourth proportional to 3,652.93, 5,479.35 and 3,475.84 is: 5,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.93 : 5,479.35 = 3,475.84 : x
  2. Step 2: Convert to fraction form
    3,652.93/5,479.35 = 3,475.84/x
  3. Step 3: Cross multiply
    3,652.93x = 5,479.35 × 3,475.84
  4. Step 4: Simplify right side
    3,652.93x = 19,045,343.90
  5. Step 5: Solve for x
    x = 19,045,343.90/3,652.93
  6. Step 6: Final answer
    x = 5,213.72

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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.