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Finding the Fourth Proportional to 29,452.80, 44,179.20 and 18,955.20

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Solution

The fourth proportional to 29,452.80, 44,179.20 and 18,955.20 is: 28,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,452.80 : 44,179.20 = 18,955.20 : x
  2. Step 2: Convert to fraction form
    29,452.80/44,179.20 = 18,955.20/x
  3. Step 3: Cross multiply
    29,452.80x = 44,179.20 × 18,955.20
  4. Step 4: Simplify right side
    29,452.80x = 837,425,571.84
  5. Step 5: Solve for x
    x = 837,425,571.84/29,452.80
  6. Step 6: Final answer
    x = 28,432.80

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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.