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Finding the Fourth Proportional to 9,381.50, 14,073.06 and 2,456

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Solution

The fourth proportional to 9,381.50, 14,073.06 and 2,456 is: 3,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.50 : 14,073.06 = 2,456 : x
  2. Step 2: Convert to fraction form
    9,381.50/14,073.06 = 2,456/x
  3. Step 3: Cross multiply
    9,381.50x = 14,073.06 × 2,456
  4. Step 4: Simplify right side
    9,381.50x = 34,563,435.36
  5. Step 5: Solve for x
    x = 34,563,435.36/9,381.50
  6. Step 6: Final answer
    x = 3,684.21

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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.