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Finding the Fourth Proportional to 17,998.41, 26,986.05 and 7,475.67

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Solution

The fourth proportional to 17,998.41, 26,986.05 and 7,475.67 is: 11,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.41 : 26,986.05 = 7,475.67 : x
  2. Step 2: Convert to fraction form
    17,998.41/26,986.05 = 7,475.67/x
  3. Step 3: Cross multiply
    17,998.41x = 26,986.05 × 7,475.67
  4. Step 4: Simplify right side
    17,998.41x = 201,738,804.40
  5. Step 5: Solve for x
    x = 201,738,804.40/17,998.41
  6. Step 6: Final answer
    x = 11,208.70

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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.