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Finding the Fourth Proportional to 22,391.52, 33,590.93 and 6,805.50

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Solution

The fourth proportional to 22,391.52, 33,590.93 and 6,805.50 is: 10,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,391.52 : 33,590.93 = 6,805.50 : x
  2. Step 2: Convert to fraction form
    22,391.52/33,590.93 = 6,805.50/x
  3. Step 3: Cross multiply
    22,391.52x = 33,590.93 × 6,805.50
  4. Step 4: Simplify right side
    22,391.52x = 228,603,040.09
  5. Step 5: Solve for x
    x = 228,603,040.09/22,391.52
  6. Step 6: Final answer
    x = 10,209.36

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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.