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Finding the Fourth Proportional to 2,998.90, 4,486.33 and 2,592.42

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Solution

The fourth proportional to 2,998.90, 4,486.33 and 2,592.42 is: 3,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.90 : 4,486.33 = 2,592.42 : x
  2. Step 2: Convert to fraction form
    2,998.90/4,486.33 = 2,592.42/x
  3. Step 3: Cross multiply
    2,998.90x = 4,486.33 × 2,592.42
  4. Step 4: Simplify right side
    2,998.90x = 11,630,451.62
  5. Step 5: Solve for x
    x = 11,630,451.62/2,998.90
  6. Step 6: Final answer
    x = 3,878.24

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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.