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Finding the Fourth Proportional to 22,394.72, 33,590.86 and 6,811.13

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Solution

The fourth proportional to 22,394.72, 33,590.86 and 6,811.13 is: 10,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394.72 : 33,590.86 = 6,811.13 : x
  2. Step 2: Convert to fraction form
    22,394.72/33,590.86 = 6,811.13/x
  3. Step 3: Cross multiply
    22,394.72x = 33,590.86 × 6,811.13
  4. Step 4: Simplify right side
    22,394.72x = 228,791,512.26
  5. Step 5: Solve for x
    x = 228,791,512.26/22,394.72
  6. Step 6: Final answer
    x = 10,216.32

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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.