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Finding the Fourth Proportional to 17,443.95, 26,170.34 and 7,584.99

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Solution

The fourth proportional to 17,443.95, 26,170.34 and 7,584.99 is: 11,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,443.95 : 26,170.34 = 7,584.99 : x
  2. Step 2: Convert to fraction form
    17,443.95/26,170.34 = 7,584.99/x
  3. Step 3: Cross multiply
    17,443.95x = 26,170.34 × 7,584.99
  4. Step 4: Simplify right side
    17,443.95x = 198,501,729.27
  5. Step 5: Solve for x
    x = 198,501,729.27/17,443.95
  6. Step 6: Final answer
    x = 11,379.40

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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.