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Finding the Fourth Proportional to 8,242.91, 12,365.99 and 3,048.83

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Solution

The fourth proportional to 8,242.91, 12,365.99 and 3,048.83 is: 4,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.91 : 12,365.99 = 3,048.83 : x
  2. Step 2: Convert to fraction form
    8,242.91/12,365.99 = 3,048.83/x
  3. Step 3: Cross multiply
    8,242.91x = 12,365.99 × 3,048.83
  4. Step 4: Simplify right side
    8,242.91x = 37,701,786.05
  5. Step 5: Solve for x
    x = 37,701,786.05/8,242.91
  6. Step 6: Final answer
    x = 4,573.84

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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.