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Finding the Fourth Proportional to 17,697.93, 26,563.30 and 8,938.99

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Solution

The fourth proportional to 17,697.93, 26,563.30 and 8,938.99 is: 13,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.93 : 26,563.30 = 8,938.99 : x
  2. Step 2: Convert to fraction form
    17,697.93/26,563.30 = 8,938.99/x
  3. Step 3: Cross multiply
    17,697.93x = 26,563.30 × 8,938.99
  4. Step 4: Simplify right side
    17,697.93x = 237,449,083.92
  5. Step 5: Solve for x
    x = 237,449,083.92/17,697.93
  6. Step 6: Final answer
    x = 13,416.77

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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.