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Finding the Fourth Proportional to 5,768.10, 8,645.10 and 2,993.22

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Solution

The fourth proportional to 5,768.10, 8,645.10 and 2,993.22 is: 4,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.10 : 8,645.10 = 2,993.22 : x
  2. Step 2: Convert to fraction form
    5,768.10/8,645.10 = 2,993.22/x
  3. Step 3: Cross multiply
    5,768.10x = 8,645.10 × 2,993.22
  4. Step 4: Simplify right side
    5,768.10x = 25,876,686.22
  5. Step 5: Solve for x
    x = 25,876,686.22/5,768.10
  6. Step 6: Final answer
    x = 4,486.17

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1.5x scale

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.