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Finding the Fourth Proportional to 3,773.28, 5,664.80 and 2,908.16

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Solution

The fourth proportional to 3,773.28, 5,664.80 and 2,908.16 is: 4,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.28 : 5,664.80 = 2,908.16 : x
  2. Step 2: Convert to fraction form
    3,773.28/5,664.80 = 2,908.16/x
  3. Step 3: Cross multiply
    3,773.28x = 5,664.80 × 2,908.16
  4. Step 4: Simplify right side
    3,773.28x = 16,474,144.77
  5. Step 5: Solve for x
    x = 16,474,144.77/3,773.28
  6. Step 6: Final answer
    x = 4,366.00

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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.