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Finding the Fourth Proportional to 5,672.43, 8,511.08 and 1,975.19

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Solution

The fourth proportional to 5,672.43, 8,511.08 and 1,975.19 is: 2,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.43 : 8,511.08 = 1,975.19 : x
  2. Step 2: Convert to fraction form
    5,672.43/8,511.08 = 1,975.19/x
  3. Step 3: Cross multiply
    5,672.43x = 8,511.08 × 1,975.19
  4. Step 4: Simplify right side
    5,672.43x = 16,810,947.67
  5. Step 5: Solve for x
    x = 16,810,947.67/5,672.43
  6. Step 6: Final answer
    x = 2,963.62

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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.