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Finding the Fourth Proportional to 12,603.37, 17,393.97 and 9,454.09

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Solution

The fourth proportional to 12,603.37, 17,393.97 and 9,454.09 is: 13,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.37 : 17,393.97 = 9,454.09 : x
  2. Step 2: Convert to fraction form
    12,603.37/17,393.97 = 9,454.09/x
  3. Step 3: Cross multiply
    12,603.37x = 17,393.97 × 9,454.09
  4. Step 4: Simplify right side
    12,603.37x = 164,444,157.84
  5. Step 5: Solve for x
    x = 164,444,157.84/12,603.37
  6. Step 6: Final answer
    x = 13,047.63

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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.