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Finding the Fourth Proportional to 29,845.28, 44,770.72 and 8,785.32

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Solution

The fourth proportional to 29,845.28, 44,770.72 and 8,785.32 is: 13,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,845.28 : 44,770.72 = 8,785.32 : x
  2. Step 2: Convert to fraction form
    29,845.28/44,770.72 = 8,785.32/x
  3. Step 3: Cross multiply
    29,845.28x = 44,770.72 × 8,785.32
  4. Step 4: Simplify right side
    29,845.28x = 393,325,101.83
  5. Step 5: Solve for x
    x = 393,325,101.83/29,845.28
  6. Step 6: Final answer
    x = 13,178.80

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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.