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Finding the Fourth Proportional to 8,765.49, 13,144.99 and 2,523.40

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Solution

The fourth proportional to 8,765.49, 13,144.99 and 2,523.40 is: 3,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.49 : 13,144.99 = 2,523.40 : x
  2. Step 2: Convert to fraction form
    8,765.49/13,144.99 = 2,523.40/x
  3. Step 3: Cross multiply
    8,765.49x = 13,144.99 × 2,523.40
  4. Step 4: Simplify right side
    8,765.49x = 33,170,028.60
  5. Step 5: Solve for x
    x = 33,170,028.60/8,765.49
  6. Step 6: Final answer
    x = 3,784.16

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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.