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Finding the Fourth Proportional to 4,753.77, 7,128.81 and 1,633.18

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Solution

The fourth proportional to 4,753.77, 7,128.81 and 1,633.18 is: 2,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.77 : 7,128.81 = 1,633.18 : x
  2. Step 2: Convert to fraction form
    4,753.77/7,128.81 = 1,633.18/x
  3. Step 3: Cross multiply
    4,753.77x = 7,128.81 × 1,633.18
  4. Step 4: Simplify right side
    4,753.77x = 11,642,629.92
  5. Step 5: Solve for x
    x = 11,642,629.92/4,753.77
  6. Step 6: Final answer
    x = 2,449.14

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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.