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Finding the Fourth Proportional to 6,937, 9,570.72 and 3,950.73

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Solution

The fourth proportional to 6,937, 9,570.72 and 3,950.73 is: 5,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937 : 9,570.72 = 3,950.73 : x
  2. Step 2: Convert to fraction form
    6,937/9,570.72 = 3,950.73/x
  3. Step 3: Cross multiply
    6,937x = 9,570.72 × 3,950.73
  4. Step 4: Simplify right side
    6,937x = 37,811,330.63
  5. Step 5: Solve for x
    x = 37,811,330.63/6,937
  6. Step 6: Final answer
    x = 5,450.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.