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Finding the Fourth Proportional to 5,771.15, 7,968.93 and 3,650.12

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Solution

The fourth proportional to 5,771.15, 7,968.93 and 3,650.12 is: 5,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.15 : 7,968.93 = 3,650.12 : x
  2. Step 2: Convert to fraction form
    5,771.15/7,968.93 = 3,650.12/x
  3. Step 3: Cross multiply
    5,771.15x = 7,968.93 × 3,650.12
  4. Step 4: Simplify right side
    5,771.15x = 29,087,550.77
  5. Step 5: Solve for x
    x = 29,087,550.77/5,771.15
  6. Step 6: Final answer
    x = 5,040.17

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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.