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Finding the Fourth Proportional to 82,832.92, 124,211.16 and 26,662.60

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Solution

The fourth proportional to 82,832.92, 124,211.16 and 26,662.60 is: 39,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,832.92 : 124,211.16 = 26,662.60 : x
  2. Step 2: Convert to fraction form
    82,832.92/124,211.16 = 26,662.60/x
  3. Step 3: Cross multiply
    82,832.92x = 124,211.16 × 26,662.60
  4. Step 4: Simplify right side
    82,832.92x = 3,311,792,474.62
  5. Step 5: Solve for x
    x = 3,311,792,474.62/82,832.92
  6. Step 6: Final answer
    x = 39,981.60

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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.