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Finding the Fourth Proportional to 4,950.87, 7,408.60 and 4,300.41

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Solution

The fourth proportional to 4,950.87, 7,408.60 and 4,300.41 is: 6,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.87 : 7,408.60 = 4,300.41 : x
  2. Step 2: Convert to fraction form
    4,950.87/7,408.60 = 4,300.41/x
  3. Step 3: Cross multiply
    4,950.87x = 7,408.60 × 4,300.41
  4. Step 4: Simplify right side
    4,950.87x = 31,860,003.18
  5. Step 5: Solve for x
    x = 31,860,003.18/4,950.87
  6. Step 6: Final answer
    x = 6,435.24

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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.