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Finding the Fourth Proportional to 8,222.88, 11,347.76 and 4,496.88

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Solution

The fourth proportional to 8,222.88, 11,347.76 and 4,496.88 is: 6,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.88 : 11,347.76 = 4,496.88 : x
  2. Step 2: Convert to fraction form
    8,222.88/11,347.76 = 4,496.88/x
  3. Step 3: Cross multiply
    8,222.88x = 11,347.76 × 4,496.88
  4. Step 4: Simplify right side
    8,222.88x = 51,029,514.99
  5. Step 5: Solve for x
    x = 51,029,514.99/8,222.88
  6. Step 6: Final answer
    x = 6,205.80

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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.