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Finding the Fourth Proportional to 18,960.96, 26,166.24 and 10,578.24

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Solution

The fourth proportional to 18,960.96, 26,166.24 and 10,578.24 is: 14,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.96 : 26,166.24 = 10,578.24 : x
  2. Step 2: Convert to fraction form
    18,960.96/26,166.24 = 10,578.24/x
  3. Step 3: Cross multiply
    18,960.96x = 26,166.24 × 10,578.24
  4. Step 4: Simplify right side
    18,960.96x = 276,792,766.62
  5. Step 5: Solve for x
    x = 276,792,766.62/18,960.96
  6. Step 6: Final answer
    x = 14,598.04

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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.