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Finding the Fourth Proportional to 5,783.65, 8,672.91 and 2,662.90

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Solution

The fourth proportional to 5,783.65, 8,672.91 and 2,662.90 is: 3,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.65 : 8,672.91 = 2,662.90 : x
  2. Step 2: Convert to fraction form
    5,783.65/8,672.91 = 2,662.90/x
  3. Step 3: Cross multiply
    5,783.65x = 8,672.91 × 2,662.90
  4. Step 4: Simplify right side
    5,783.65x = 23,095,092.04
  5. Step 5: Solve for x
    x = 23,095,092.04/5,783.65
  6. Step 6: Final answer
    x = 3,993.17

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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.