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Finding the Fourth Proportional to 4,950.72, 7,416.36 and 4,629.96

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Solution

The fourth proportional to 4,950.72, 7,416.36 and 4,629.96 is: 6,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.72 : 7,416.36 = 4,629.96 : x
  2. Step 2: Convert to fraction form
    4,950.72/7,416.36 = 4,629.96/x
  3. Step 3: Cross multiply
    4,950.72x = 7,416.36 × 4,629.96
  4. Step 4: Simplify right side
    4,950.72x = 34,337,450.15
  5. Step 5: Solve for x
    x = 34,337,450.15/4,950.72
  6. Step 6: Final answer
    x = 6,935.85

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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.