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Finding the Fourth Proportional to 15,599.80, 23,408.96 and 5,745.99

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Solution

The fourth proportional to 15,599.80, 23,408.96 and 5,745.99 is: 8,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.80 : 23,408.96 = 5,745.99 : x
  2. Step 2: Convert to fraction form
    15,599.80/23,408.96 = 5,745.99/x
  3. Step 3: Cross multiply
    15,599.80x = 23,408.96 × 5,745.99
  4. Step 4: Simplify right side
    15,599.80x = 134,507,650.07
  5. Step 5: Solve for x
    x = 134,507,650.07/15,599.80
  6. Step 6: Final answer
    x = 8,622.40

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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.