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Finding the Fourth Proportional to 22,440.46, 33,648.78 and 6,643.32

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Solution

The fourth proportional to 22,440.46, 33,648.78 and 6,643.32 is: 9,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.46 : 33,648.78 = 6,643.32 : x
  2. Step 2: Convert to fraction form
    22,440.46/33,648.78 = 6,643.32/x
  3. Step 3: Cross multiply
    22,440.46x = 33,648.78 × 6,643.32
  4. Step 4: Simplify right side
    22,440.46x = 223,539,613.15
  5. Step 5: Solve for x
    x = 223,539,613.15/22,440.46
  6. Step 6: Final answer
    x = 9,961.45

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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.