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Finding the Fourth Proportional to 8,573.53, 12,861.33 and 3,025.74

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Solution

The fourth proportional to 8,573.53, 12,861.33 and 3,025.74 is: 4,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.53 : 12,861.33 = 3,025.74 : x
  2. Step 2: Convert to fraction form
    8,573.53/12,861.33 = 3,025.74/x
  3. Step 3: Cross multiply
    8,573.53x = 12,861.33 × 3,025.74
  4. Step 4: Simplify right side
    8,573.53x = 38,915,040.63
  5. Step 5: Solve for x
    x = 38,915,040.63/8,573.53
  6. Step 6: Final answer
    x = 4,538.98

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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.