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Finding the Fourth Proportional to 3,695.63, 5,093.28 and 3,062.81

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Solution

The fourth proportional to 3,695.63, 5,093.28 and 3,062.81 is: 4,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.63 : 5,093.28 = 3,062.81 : x
  2. Step 2: Convert to fraction form
    3,695.63/5,093.28 = 3,062.81/x
  3. Step 3: Cross multiply
    3,695.63x = 5,093.28 × 3,062.81
  4. Step 4: Simplify right side
    3,695.63x = 15,599,761.65
  5. Step 5: Solve for x
    x = 15,599,761.65/3,695.63
  6. Step 6: Final answer
    x = 4,221.14

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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.