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Finding the Fourth Proportional to 22,590.91, 33,917.42 and 11,505.07

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Solution

The fourth proportional to 22,590.91, 33,917.42 and 11,505.07 is: 17,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.91 : 33,917.42 = 11,505.07 : x
  2. Step 2: Convert to fraction form
    22,590.91/33,917.42 = 11,505.07/x
  3. Step 3: Cross multiply
    22,590.91x = 33,917.42 × 11,505.07
  4. Step 4: Simplify right side
    22,590.91x = 390,222,291.32
  5. Step 5: Solve for x
    x = 390,222,291.32/22,590.91
  6. Step 6: Final answer
    x = 17,273.42

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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.