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Finding the Fourth Proportional to 5,755.90, 7,936.92 and 5,003.22

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Solution

The fourth proportional to 5,755.90, 7,936.92 and 5,003.22 is: 6,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.90 : 7,936.92 = 5,003.22 : x
  2. Step 2: Convert to fraction form
    5,755.90/7,936.92 = 5,003.22/x
  3. Step 3: Cross multiply
    5,755.90x = 7,936.92 × 5,003.22
  4. Step 4: Simplify right side
    5,755.90x = 39,710,156.88
  5. Step 5: Solve for x
    x = 39,710,156.88/5,755.90
  6. Step 6: Final answer
    x = 6,899.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.