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Finding the Fourth Proportional to 51,491.94, 71,022.22 and 47,256.67

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Solution

The fourth proportional to 51,491.94, 71,022.22 and 47,256.67 is: 65,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,491.94 : 71,022.22 = 47,256.67 : x
  2. Step 2: Convert to fraction form
    51,491.94/71,022.22 = 47,256.67/x
  3. Step 3: Cross multiply
    51,491.94x = 71,022.22 × 47,256.67
  4. Step 4: Simplify right side
    51,491.94x = 3,356,273,613.21
  5. Step 5: Solve for x
    x = 3,356,273,613.21/51,491.94
  6. Step 6: Final answer
    x = 65,180.56

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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.