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Finding the Fourth Proportional to 5,900.94, 8,867.61 and 5,515.65

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Solution

The fourth proportional to 5,900.94, 8,867.61 and 5,515.65 is: 8,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.94 : 8,867.61 = 5,515.65 : x
  2. Step 2: Convert to fraction form
    5,900.94/8,867.61 = 5,515.65/x
  3. Step 3: Cross multiply
    5,900.94x = 8,867.61 × 5,515.65
  4. Step 4: Simplify right side
    5,900.94x = 48,910,633.10
  5. Step 5: Solve for x
    x = 48,910,633.10/5,900.94
  6. Step 6: Final answer
    x = 8,288.62

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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.