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Finding the Fourth Proportional to 4,388.06, 6,582.40 and 2,168.06

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Solution

The fourth proportional to 4,388.06, 6,582.40 and 2,168.06 is: 3,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.06 : 6,582.40 = 2,168.06 : x
  2. Step 2: Convert to fraction form
    4,388.06/6,582.40 = 2,168.06/x
  3. Step 3: Cross multiply
    4,388.06x = 6,582.40 × 2,168.06
  4. Step 4: Simplify right side
    4,388.06x = 14,270,999.81
  5. Step 5: Solve for x
    x = 14,270,999.81/4,388.06
  6. Step 6: Final answer
    x = 3,252.23

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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.