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Finding the Fourth Proportional to 2,893.22, 4,311.99 and 2,869.08

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Solution

The fourth proportional to 2,893.22, 4,311.99 and 2,869.08 is: 4,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.22 : 4,311.99 = 2,869.08 : x
  2. Step 2: Convert to fraction form
    2,893.22/4,311.99 = 2,869.08/x
  3. Step 3: Cross multiply
    2,893.22x = 4,311.99 × 2,869.08
  4. Step 4: Simplify right side
    2,893.22x = 12,371,444.27
  5. Step 5: Solve for x
    x = 12,371,444.27/2,893.22
  6. Step 6: Final answer
    x = 4,276.01

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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.