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Finding the Fourth Proportional to 22,495.85, 33,747.88 and 11,257.07

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Solution

The fourth proportional to 22,495.85, 33,747.88 and 11,257.07 is: 16,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,495.85 : 33,747.88 = 11,257.07 : x
  2. Step 2: Convert to fraction form
    22,495.85/33,747.88 = 11,257.07/x
  3. Step 3: Cross multiply
    22,495.85x = 33,747.88 × 11,257.07
  4. Step 4: Simplify right side
    22,495.85x = 379,902,050.63
  5. Step 5: Solve for x
    x = 379,902,050.63/22,495.85
  6. Step 6: Final answer
    x = 16,887.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.