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Finding the Fourth Proportional to 8,245.48, 12,368.22 and 2,005.44

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Solution

The fourth proportional to 8,245.48, 12,368.22 and 2,005.44 is: 3,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.48 : 12,368.22 = 2,005.44 : x
  2. Step 2: Convert to fraction form
    8,245.48/12,368.22 = 2,005.44/x
  3. Step 3: Cross multiply
    8,245.48x = 12,368.22 × 2,005.44
  4. Step 4: Simplify right side
    8,245.48x = 24,803,786.56
  5. Step 5: Solve for x
    x = 24,803,786.56/8,245.48
  6. Step 6: Final answer
    x = 3,008.17

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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.