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Finding the Fourth Proportional to 2,967.02, 4,418.01 and 2,861.92

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Solution

The fourth proportional to 2,967.02, 4,418.01 and 2,861.92 is: 4,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.02 : 4,418.01 = 2,861.92 : x
  2. Step 2: Convert to fraction form
    2,967.02/4,418.01 = 2,861.92/x
  3. Step 3: Cross multiply
    2,967.02x = 4,418.01 × 2,861.92
  4. Step 4: Simplify right side
    2,967.02x = 12,643,991.18
  5. Step 5: Solve for x
    x = 12,643,991.18/2,967.02
  6. Step 6: Final answer
    x = 4,261.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.