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Finding the Fourth Proportional to 8,000.74, 11,983.79 and 5,804.63

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Solution

The fourth proportional to 8,000.74, 11,983.79 and 5,804.63 is: 8,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.74 : 11,983.79 = 5,804.63 : x
  2. Step 2: Convert to fraction form
    8,000.74/11,983.79 = 5,804.63/x
  3. Step 3: Cross multiply
    8,000.74x = 11,983.79 × 5,804.63
  4. Step 4: Simplify right side
    8,000.74x = 69,561,421.54
  5. Step 5: Solve for x
    x = 69,561,421.54/8,000.74
  6. Step 6: Final answer
    x = 8,694.38

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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.