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Finding the Fourth Proportional to 17,884.40, 24,704.52 and 13,744.40

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Solution

The fourth proportional to 17,884.40, 24,704.52 and 13,744.40 is: 18,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,884.40 : 24,704.52 = 13,744.40 : x
  2. Step 2: Convert to fraction form
    17,884.40/24,704.52 = 13,744.40/x
  3. Step 3: Cross multiply
    17,884.40x = 24,704.52 × 13,744.40
  4. Step 4: Simplify right side
    17,884.40x = 339,548,804.69
  5. Step 5: Solve for x
    x = 339,548,804.69/17,884.40
  6. Step 6: Final answer
    x = 18,985.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.