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Finding the Fourth Proportional to 5,669.24, 8,503.83 and 2,158.42

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Solution

The fourth proportional to 5,669.24, 8,503.83 and 2,158.42 is: 3,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.24 : 8,503.83 = 2,158.42 : x
  2. Step 2: Convert to fraction form
    5,669.24/8,503.83 = 2,158.42/x
  3. Step 3: Cross multiply
    5,669.24x = 8,503.83 × 2,158.42
  4. Step 4: Simplify right side
    5,669.24x = 18,354,836.75
  5. Step 5: Solve for x
    x = 18,354,836.75/5,669.24
  6. Step 6: Final answer
    x = 3,237.62

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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.