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Finding the Fourth Proportional to 37,956.64, 52,380.24 and 21,190.24

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Solution

The fourth proportional to 37,956.64, 52,380.24 and 21,190.24 is: 29,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,956.64 : 52,380.24 = 21,190.24 : x
  2. Step 2: Convert to fraction form
    37,956.64/52,380.24 = 21,190.24/x
  3. Step 3: Cross multiply
    37,956.64x = 52,380.24 × 21,190.24
  4. Step 4: Simplify right side
    37,956.64x = 1,109,949,856.86
  5. Step 5: Solve for x
    x = 1,109,949,856.86/37,956.64
  6. Step 6: Final answer
    x = 29,242.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.