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Finding the Fourth Proportional to 17,837.40, 26,704.90 and 17,325.40

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Solution

The fourth proportional to 17,837.40, 26,704.90 and 17,325.40 is: 25,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,837.40 : 26,704.90 = 17,325.40 : x
  2. Step 2: Convert to fraction form
    17,837.40/26,704.90 = 17,325.40/x
  3. Step 3: Cross multiply
    17,837.40x = 26,704.90 × 17,325.40
  4. Step 4: Simplify right side
    17,837.40x = 462,673,074.46
  5. Step 5: Solve for x
    x = 462,673,074.46/17,837.40
  6. Step 6: Final answer
    x = 25,938.37

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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.