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Finding the Fourth Proportional to 5,616.29, 7,749.14 and 3,626.51

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Solution

The fourth proportional to 5,616.29, 7,749.14 and 3,626.51 is: 5,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.29 : 7,749.14 = 3,626.51 : x
  2. Step 2: Convert to fraction form
    5,616.29/7,749.14 = 3,626.51/x
  3. Step 3: Cross multiply
    5,616.29x = 7,749.14 × 3,626.51
  4. Step 4: Simplify right side
    5,616.29x = 28,102,276.82
  5. Step 5: Solve for x
    x = 28,102,276.82/5,616.29
  6. Step 6: Final answer
    x = 5,003.71

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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.