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Finding the Fourth Proportional to 8,555.99, 11,797.92 and 5,566.28

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Solution

The fourth proportional to 8,555.99, 11,797.92 and 5,566.28 is: 7,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.99 : 11,797.92 = 5,566.28 : x
  2. Step 2: Convert to fraction form
    8,555.99/11,797.92 = 5,566.28/x
  3. Step 3: Cross multiply
    8,555.99x = 11,797.92 × 5,566.28
  4. Step 4: Simplify right side
    8,555.99x = 65,670,467.15
  5. Step 5: Solve for x
    x = 65,670,467.15/8,555.99
  6. Step 6: Final answer
    x = 7,675.38

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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.