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Finding the Fourth Proportional to 5,044.64, 7,561.80 and 1,755.03

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Solution

The fourth proportional to 5,044.64, 7,561.80 and 1,755.03 is: 2,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,044.64 : 7,561.80 = 1,755.03 : x
  2. Step 2: Convert to fraction form
    5,044.64/7,561.80 = 1,755.03/x
  3. Step 3: Cross multiply
    5,044.64x = 7,561.80 × 1,755.03
  4. Step 4: Simplify right side
    5,044.64x = 13,271,185.85
  5. Step 5: Solve for x
    x = 13,271,185.85/5,044.64
  6. Step 6: Final answer
    x = 2,630.75

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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.