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Finding the Fourth Proportional to 5,672.85, 8,511.01 and 2,901.47

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Solution

The fourth proportional to 5,672.85, 8,511.01 and 2,901.47 is: 4,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.85 : 8,511.01 = 2,901.47 : x
  2. Step 2: Convert to fraction form
    5,672.85/8,511.01 = 2,901.47/x
  3. Step 3: Cross multiply
    5,672.85x = 8,511.01 × 2,901.47
  4. Step 4: Simplify right side
    5,672.85x = 24,694,440.18
  5. Step 5: Solve for x
    x = 24,694,440.18/5,672.85
  6. Step 6: Final answer
    x = 4,353.09

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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.