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Finding the Fourth Proportional to 12,472.99, 18,704.01 and 4,676.35

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Solution

The fourth proportional to 12,472.99, 18,704.01 and 4,676.35 is: 7,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.99 : 18,704.01 = 4,676.35 : x
  2. Step 2: Convert to fraction form
    12,472.99/18,704.01 = 4,676.35/x
  3. Step 3: Cross multiply
    12,472.99x = 18,704.01 × 4,676.35
  4. Step 4: Simplify right side
    12,472.99x = 87,466,497.16
  5. Step 5: Solve for x
    x = 87,466,497.16/12,472.99
  6. Step 6: Final answer
    x = 7,012.47

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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.