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Finding the Fourth Proportional to 5,900.34, 8,855.99 and 2,980.70

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Solution

The fourth proportional to 5,900.34, 8,855.99 and 2,980.70 is: 4,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.34 : 8,855.99 = 2,980.70 : x
  2. Step 2: Convert to fraction form
    5,900.34/8,855.99 = 2,980.70/x
  3. Step 3: Cross multiply
    5,900.34x = 8,855.99 × 2,980.70
  4. Step 4: Simplify right side
    5,900.34x = 26,396,990.21
  5. Step 5: Solve for x
    x = 26,396,990.21/5,900.34
  6. Step 6: Final answer
    x = 4,473.81

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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.