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Finding the Fourth Proportional to 8,491.56, 12,733.74 and 4,594.92

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Solution

The fourth proportional to 8,491.56, 12,733.74 and 4,594.92 is: 6,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.56 : 12,733.74 = 4,594.92 : x
  2. Step 2: Convert to fraction form
    8,491.56/12,733.74 = 4,594.92/x
  3. Step 3: Cross multiply
    8,491.56x = 12,733.74 × 4,594.92
  4. Step 4: Simplify right side
    8,491.56x = 58,510,516.60
  5. Step 5: Solve for x
    x = 58,510,516.60/8,491.56
  6. Step 6: Final answer
    x = 6,890.43

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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.