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Finding the Fourth Proportional to 2,998.89, 4,500.15 and 2,816.64

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Solution

The fourth proportional to 2,998.89, 4,500.15 and 2,816.64 is: 4,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.89 : 4,500.15 = 2,816.64 : x
  2. Step 2: Convert to fraction form
    2,998.89/4,500.15 = 2,816.64/x
  3. Step 3: Cross multiply
    2,998.89x = 4,500.15 × 2,816.64
  4. Step 4: Simplify right side
    2,998.89x = 12,675,302.50
  5. Step 5: Solve for x
    x = 12,675,302.50/2,998.89
  6. Step 6: Final answer
    x = 4,226.66

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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.