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Finding the Fourth Proportional to 6,764.87, 9,336.41 and 4,526.79

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Solution

The fourth proportional to 6,764.87, 9,336.41 and 4,526.79 is: 6,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.87 : 9,336.41 = 4,526.79 : x
  2. Step 2: Convert to fraction form
    6,764.87/9,336.41 = 4,526.79/x
  3. Step 3: Cross multiply
    6,764.87x = 9,336.41 × 4,526.79
  4. Step 4: Simplify right side
    6,764.87x = 42,263,952.22
  5. Step 5: Solve for x
    x = 42,263,952.22/6,764.87
  6. Step 6: Final answer
    x = 6,247.57

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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.