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Finding the Fourth Proportional to 2,983.46, 4,474.84 and 792.36

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Solution

The fourth proportional to 2,983.46, 4,474.84 and 792.36 is: 1,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.46 : 4,474.84 = 792.36 : x
  2. Step 2: Convert to fraction form
    2,983.46/4,474.84 = 792.36/x
  3. Step 3: Cross multiply
    2,983.46x = 4,474.84 × 792.36
  4. Step 4: Simplify right side
    2,983.46x = 3,545,684.22
  5. Step 5: Solve for x
    x = 3,545,684.22/2,983.46
  6. Step 6: Final answer
    x = 1,188.45

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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.