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Finding the Fourth Proportional to 17,408.99, 26,111.92 and 4,928.73

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Solution

The fourth proportional to 17,408.99, 26,111.92 and 4,928.73 is: 7,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,408.99 : 26,111.92 = 4,928.73 : x
  2. Step 2: Convert to fraction form
    17,408.99/26,111.92 = 4,928.73/x
  3. Step 3: Cross multiply
    17,408.99x = 26,111.92 × 4,928.73
  4. Step 4: Simplify right side
    17,408.99x = 128,698,603.46
  5. Step 5: Solve for x
    x = 128,698,603.46/17,408.99
  6. Step 6: Final answer
    x = 7,392.65

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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.