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Finding the Fourth Proportional to 8,227.88, 11,354.48 and 4,501.88

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Solution

The fourth proportional to 8,227.88, 11,354.48 and 4,501.88 is: 6,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.88 : 11,354.48 = 4,501.88 : x
  2. Step 2: Convert to fraction form
    8,227.88/11,354.48 = 4,501.88/x
  3. Step 3: Cross multiply
    8,227.88x = 11,354.48 × 4,501.88
  4. Step 4: Simplify right side
    8,227.88x = 51,116,427.14
  5. Step 5: Solve for x
    x = 51,116,427.14/8,227.88
  6. Step 6: Final answer
    x = 6,212.59

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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.