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Finding the Fourth Proportional to 6,658, 9,188.04 and 3,714

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Solution

The fourth proportional to 6,658, 9,188.04 and 3,714 is: 5,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658 : 9,188.04 = 3,714 : x
  2. Step 2: Convert to fraction form
    6,658/9,188.04 = 3,714/x
  3. Step 3: Cross multiply
    6,658x = 9,188.04 × 3,714
  4. Step 4: Simplify right side
    6,658x = 34,124,380.56
  5. Step 5: Solve for x
    x = 34,124,380.56/6,658
  6. Step 6: Final answer
    x = 5,125.32

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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.