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Finding the Fourth Proportional to 8,006.79, 11,046.20 and 5,349.99

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Solution

The fourth proportional to 8,006.79, 11,046.20 and 5,349.99 is: 7,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.79 : 11,046.20 = 5,349.99 : x
  2. Step 2: Convert to fraction form
    8,006.79/11,046.20 = 5,349.99/x
  3. Step 3: Cross multiply
    8,006.79x = 11,046.20 × 5,349.99
  4. Step 4: Simplify right side
    8,006.79x = 59,097,032.79
  5. Step 5: Solve for x
    x = 59,097,032.79/8,006.79
  6. Step 6: Final answer
    x = 7,380.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.