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Finding the Fourth Proportional to 5,738.96, 8,607.72 and 2,274.32

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Solution

The fourth proportional to 5,738.96, 8,607.72 and 2,274.32 is: 3,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.96 : 8,607.72 = 2,274.32 : x
  2. Step 2: Convert to fraction form
    5,738.96/8,607.72 = 2,274.32/x
  3. Step 3: Cross multiply
    5,738.96x = 8,607.72 × 2,274.32
  4. Step 4: Simplify right side
    5,738.96x = 19,576,709.75
  5. Step 5: Solve for x
    x = 19,576,709.75/5,738.96
  6. Step 6: Final answer
    x = 3,411.19

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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.