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Finding the Fourth Proportional to 23,203.97, 34,806.55 and 7,408.99

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Solution

The fourth proportional to 23,203.97, 34,806.55 and 7,408.99 is: 11,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,203.97 : 34,806.55 = 7,408.99 : x
  2. Step 2: Convert to fraction form
    23,203.97/34,806.55 = 7,408.99/x
  3. Step 3: Cross multiply
    23,203.97x = 34,806.55 × 7,408.99
  4. Step 4: Simplify right side
    23,203.97x = 257,881,380.88
  5. Step 5: Solve for x
    x = 257,881,380.88/23,203.97
  6. Step 6: Final answer
    x = 11,113.67

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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.