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Finding the Fourth Proportional to 8,590.74, 11,852.78 and 5,233.64

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Solution

The fourth proportional to 8,590.74, 11,852.78 and 5,233.64 is: 7,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.74 : 11,852.78 = 5,233.64 : x
  2. Step 2: Convert to fraction form
    8,590.74/11,852.78 = 5,233.64/x
  3. Step 3: Cross multiply
    8,590.74x = 11,852.78 × 5,233.64
  4. Step 4: Simplify right side
    8,590.74x = 62,033,183.52
  5. Step 5: Solve for x
    x = 62,033,183.52/8,590.74
  6. Step 6: Final answer
    x = 7,220.94

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