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Finding the Fourth Proportional to 4,662.45, 6,993.64 and 1,889.08

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Solution

The fourth proportional to 4,662.45, 6,993.64 and 1,889.08 is: 2,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.45 : 6,993.64 = 1,889.08 : x
  2. Step 2: Convert to fraction form
    4,662.45/6,993.64 = 1,889.08/x
  3. Step 3: Cross multiply
    4,662.45x = 6,993.64 × 1,889.08
  4. Step 4: Simplify right side
    4,662.45x = 13,211,545.45
  5. Step 5: Solve for x
    x = 13,211,545.45/4,662.45
  6. Step 6: Final answer
    x = 2,833.61

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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.