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Finding the Fourth Proportional to 8,491.03, 11,717.39 and 5,089.96

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Solution

The fourth proportional to 8,491.03, 11,717.39 and 5,089.96 is: 7,024.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.03 : 11,717.39 = 5,089.96 : x
  2. Step 2: Convert to fraction form
    8,491.03/11,717.39 = 5,089.96/x
  3. Step 3: Cross multiply
    8,491.03x = 11,717.39 × 5,089.96
  4. Step 4: Simplify right side
    8,491.03x = 59,641,054.69
  5. Step 5: Solve for x
    x = 59,641,054.69/8,491.03
  6. Step 6: Final answer
    x = 7,024.01

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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.