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Finding the Fourth Proportional to 2,967.91, 4,455.51 and 2,850.46

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Solution

The fourth proportional to 2,967.91, 4,455.51 and 2,850.46 is: 4,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.91 : 4,455.51 = 2,850.46 : x
  2. Step 2: Convert to fraction form
    2,967.91/4,455.51 = 2,850.46/x
  3. Step 3: Cross multiply
    2,967.91x = 4,455.51 × 2,850.46
  4. Step 4: Simplify right side
    2,967.91x = 12,700,253.03
  5. Step 5: Solve for x
    x = 12,700,253.03/2,967.91
  6. Step 6: Final answer
    x = 4,279.19

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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.