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Finding the Fourth Proportional to 5,771.79, 8,648.37 and 2,994.30

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Solution

The fourth proportional to 5,771.79, 8,648.37 and 2,994.30 is: 4,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.79 : 8,648.37 = 2,994.30 : x
  2. Step 2: Convert to fraction form
    5,771.79/8,648.37 = 2,994.30/x
  3. Step 3: Cross multiply
    5,771.79x = 8,648.37 × 2,994.30
  4. Step 4: Simplify right side
    5,771.79x = 25,895,814.29
  5. Step 5: Solve for x
    x = 25,895,814.29/5,771.79
  6. Step 6: Final answer
    x = 4,486.62

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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.