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Finding the Fourth Proportional to 12,600.63, 18,898.02 and 5,576.85

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Solution

The fourth proportional to 12,600.63, 18,898.02 and 5,576.85 is: 8,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.63 : 18,898.02 = 5,576.85 : x
  2. Step 2: Convert to fraction form
    12,600.63/18,898.02 = 5,576.85/x
  3. Step 3: Cross multiply
    12,600.63x = 18,898.02 × 5,576.85
  4. Step 4: Simplify right side
    12,600.63x = 105,391,422.84
  5. Step 5: Solve for x
    x = 105,391,422.84/12,600.63
  6. Step 6: Final answer
    x = 8,363.98

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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.