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Finding the Fourth Proportional to 23,157.92, 34,736.88 and 5,627.76

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Solution

The fourth proportional to 23,157.92, 34,736.88 and 5,627.76 is: 8,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.92 : 34,736.88 = 5,627.76 : x
  2. Step 2: Convert to fraction form
    23,157.92/34,736.88 = 5,627.76/x
  3. Step 3: Cross multiply
    23,157.92x = 34,736.88 × 5,627.76
  4. Step 4: Simplify right side
    23,157.92x = 195,490,823.79
  5. Step 5: Solve for x
    x = 195,490,823.79/23,157.92
  6. Step 6: Final answer
    x = 8,441.64

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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.