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Finding the Fourth Proportional to 5,718.80, 8,579.40 and 2,433.44

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Solution

The fourth proportional to 5,718.80, 8,579.40 and 2,433.44 is: 3,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.80 : 8,579.40 = 2,433.44 : x
  2. Step 2: Convert to fraction form
    5,718.80/8,579.40 = 2,433.44/x
  3. Step 3: Cross multiply
    5,718.80x = 8,579.40 × 2,433.44
  4. Step 4: Simplify right side
    5,718.80x = 20,877,455.14
  5. Step 5: Solve for x
    x = 20,877,455.14/5,718.80
  6. Step 6: Final answer
    x = 3,650.67

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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.