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Finding the Fourth Proportional to 4,064.32, 6,096.50 and 986.32

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Solution

The fourth proportional to 4,064.32, 6,096.50 and 986.32 is: 1,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,064.32 : 6,096.50 = 986.32 : x
  2. Step 2: Convert to fraction form
    4,064.32/6,096.50 = 986.32/x
  3. Step 3: Cross multiply
    4,064.32x = 6,096.50 × 986.32
  4. Step 4: Simplify right side
    4,064.32x = 6,013,099.88
  5. Step 5: Solve for x
    x = 6,013,099.88/4,064.32
  6. Step 6: Final answer
    x = 1,479.48

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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.