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Finding the Fourth Proportional to 8,903.46, 13,356.10 and 3,361.47

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Solution

The fourth proportional to 8,903.46, 13,356.10 and 3,361.47 is: 5,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.46 : 13,356.10 = 3,361.47 : x
  2. Step 2: Convert to fraction form
    8,903.46/13,356.10 = 3,361.47/x
  3. Step 3: Cross multiply
    8,903.46x = 13,356.10 × 3,361.47
  4. Step 4: Simplify right side
    8,903.46x = 44,896,083.58
  5. Step 5: Solve for x
    x = 44,896,083.58/8,903.46
  6. Step 6: Final answer
    x = 5,042.54

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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.