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Finding the Fourth Proportional to 6,255.60, 9,381.99 and 1,872.49

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Solution

The fourth proportional to 6,255.60, 9,381.99 and 1,872.49 is: 2,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.60 : 9,381.99 = 1,872.49 : x
  2. Step 2: Convert to fraction form
    6,255.60/9,381.99 = 1,872.49/x
  3. Step 3: Cross multiply
    6,255.60x = 9,381.99 × 1,872.49
  4. Step 4: Simplify right side
    6,255.60x = 17,567,682.46
  5. Step 5: Solve for x
    x = 17,567,682.46/6,255.60
  6. Step 6: Final answer
    x = 2,808.32

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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.