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Finding the Fourth Proportional to 2,967.16, 4,449.22 and 992.08

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Solution

The fourth proportional to 2,967.16, 4,449.22 and 992.08 is: 1,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.16 : 4,449.22 = 992.08 : x
  2. Step 2: Convert to fraction form
    2,967.16/4,449.22 = 992.08/x
  3. Step 3: Cross multiply
    2,967.16x = 4,449.22 × 992.08
  4. Step 4: Simplify right side
    2,967.16x = 4,413,982.18
  5. Step 5: Solve for x
    x = 4,413,982.18/2,967.16
  6. Step 6: Final answer
    x = 1,487.61

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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.