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Finding the Fourth Proportional to 29,967.92, 44,951.84 and 28,121.12

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Solution

The fourth proportional to 29,967.92, 44,951.84 and 28,121.12 is: 42,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,967.92 : 44,951.84 = 28,121.12 : x
  2. Step 2: Convert to fraction form
    29,967.92/44,951.84 = 28,121.12/x
  3. Step 3: Cross multiply
    29,967.92x = 44,951.84 × 28,121.12
  4. Step 4: Simplify right side
    29,967.92x = 1,264,096,086.86
  5. Step 5: Solve for x
    x = 1,264,096,086.86/29,967.92
  6. Step 6: Final answer
    x = 42,181.64

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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.