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Finding the Fourth Proportional to 17,858.54, 26,785.93 and 7,329.67

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Solution

The fourth proportional to 17,858.54, 26,785.93 and 7,329.67 is: 10,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.54 : 26,785.93 = 7,329.67 : x
  2. Step 2: Convert to fraction form
    17,858.54/26,785.93 = 7,329.67/x
  3. Step 3: Cross multiply
    17,858.54x = 26,785.93 × 7,329.67
  4. Step 4: Simplify right side
    17,858.54x = 196,331,990.89
  5. Step 5: Solve for x
    x = 196,331,990.89/17,858.54
  6. Step 6: Final answer
    x = 10,993.73

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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.