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Finding the Fourth Proportional to 8,908.02, 13,361.61 and 3,064.74

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Solution

The fourth proportional to 8,908.02, 13,361.61 and 3,064.74 is: 4,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.02 : 13,361.61 = 3,064.74 : x
  2. Step 2: Convert to fraction form
    8,908.02/13,361.61 = 3,064.74/x
  3. Step 3: Cross multiply
    8,908.02x = 13,361.61 × 3,064.74
  4. Step 4: Simplify right side
    8,908.02x = 40,949,860.63
  5. Step 5: Solve for x
    x = 40,949,860.63/8,908.02
  6. Step 6: Final answer
    x = 4,596.97

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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.