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Finding the Fourth Proportional to 43,432.42, 65,208.42 and 22,099.55

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Solution

The fourth proportional to 43,432.42, 65,208.42 and 22,099.55 is: 33,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,432.42 : 65,208.42 = 22,099.55 : x
  2. Step 2: Convert to fraction form
    43,432.42/65,208.42 = 22,099.55/x
  3. Step 3: Cross multiply
    43,432.42x = 65,208.42 × 22,099.55
  4. Step 4: Simplify right side
    43,432.42x = 1,441,076,738.21
  5. Step 5: Solve for x
    x = 1,441,076,738.21/43,432.42
  6. Step 6: Final answer
    x = 33,179.75

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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.