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Finding the Fourth Proportional to 5,933.90, 8,900.09 and 2,815.90

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Solution

The fourth proportional to 5,933.90, 8,900.09 and 2,815.90 is: 4,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,933.90 : 8,900.09 = 2,815.90 : x
  2. Step 2: Convert to fraction form
    5,933.90/8,900.09 = 2,815.90/x
  3. Step 3: Cross multiply
    5,933.90x = 8,900.09 × 2,815.90
  4. Step 4: Simplify right side
    5,933.90x = 25,061,727.10
  5. Step 5: Solve for x
    x = 25,061,727.10/5,933.90
  6. Step 6: Final answer
    x = 4,223.48

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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.