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Finding the Fourth Proportional to 22,438.46, 33,645.78 and 6,641.32

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Solution

The fourth proportional to 22,438.46, 33,645.78 and 6,641.32 is: 9,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.46 : 33,645.78 = 6,641.32 : x
  2. Step 2: Convert to fraction form
    22,438.46/33,645.78 = 6,641.32/x
  3. Step 3: Cross multiply
    22,438.46x = 33,645.78 × 6,641.32
  4. Step 4: Simplify right side
    22,438.46x = 223,452,391.63
  5. Step 5: Solve for x
    x = 223,452,391.63/22,438.46
  6. Step 6: Final answer
    x = 9,958.45

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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.