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Finding the Fourth Proportional to 22,038.78, 33,058.53 and 7,249.26

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Solution

The fourth proportional to 22,038.78, 33,058.53 and 7,249.26 is: 10,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.78 : 33,058.53 = 7,249.26 : x
  2. Step 2: Convert to fraction form
    22,038.78/33,058.53 = 7,249.26/x
  3. Step 3: Cross multiply
    22,038.78x = 33,058.53 × 7,249.26
  4. Step 4: Simplify right side
    22,038.78x = 239,649,879.19
  5. Step 5: Solve for x
    x = 239,649,879.19/22,038.78
  6. Step 6: Final answer
    x = 10,874.01

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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.