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Finding the Fourth Proportional to 22,495.78, 33,747.78 and 9,349.18

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Solution

The fourth proportional to 22,495.78, 33,747.78 and 9,349.18 is: 14,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,495.78 : 33,747.78 = 9,349.18 : x
  2. Step 2: Convert to fraction form
    22,495.78/33,747.78 = 9,349.18/x
  3. Step 3: Cross multiply
    22,495.78x = 33,747.78 × 9,349.18
  4. Step 4: Simplify right side
    22,495.78x = 315,514,069.82
  5. Step 5: Solve for x
    x = 315,514,069.82/22,495.78
  6. Step 6: Final answer
    x = 14,025.48

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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.