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Finding the Fourth Proportional to 5,167.58, 7,746.99 and 2,049.80

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Solution

The fourth proportional to 5,167.58, 7,746.99 and 2,049.80 is: 3,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.58 : 7,746.99 = 2,049.80 : x
  2. Step 2: Convert to fraction form
    5,167.58/7,746.99 = 2,049.80/x
  3. Step 3: Cross multiply
    5,167.58x = 7,746.99 × 2,049.80
  4. Step 4: Simplify right side
    5,167.58x = 15,879,741.37
  5. Step 5: Solve for x
    x = 15,879,741.37/5,167.58
  6. Step 6: Final answer
    x = 3,072.96

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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.