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Finding the Fourth Proportional to 17,454.80, 26,183.80 and 7,064.40

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Solution

The fourth proportional to 17,454.80, 26,183.80 and 7,064.40 is: 10,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,454.80 : 26,183.80 = 7,064.40 : x
  2. Step 2: Convert to fraction form
    17,454.80/26,183.80 = 7,064.40/x
  3. Step 3: Cross multiply
    17,454.80x = 26,183.80 × 7,064.40
  4. Step 4: Simplify right side
    17,454.80x = 184,972,836.72
  5. Step 5: Solve for x
    x = 184,972,836.72/17,454.80
  6. Step 6: Final answer
    x = 10,597.25

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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.