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Finding the Fourth Proportional to 15,793.92, 23,656.32 and 11,162.88

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Solution

The fourth proportional to 15,793.92, 23,656.32 and 11,162.88 is: 16,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.92 : 23,656.32 = 11,162.88 : x
  2. Step 2: Convert to fraction form
    15,793.92/23,656.32 = 11,162.88/x
  3. Step 3: Cross multiply
    15,793.92x = 23,656.32 × 11,162.88
  4. Step 4: Simplify right side
    15,793.92x = 264,072,661.40
  5. Step 5: Solve for x
    x = 264,072,661.40/15,793.92
  6. Step 6: Final answer
    x = 16,719.89

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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.