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Finding the Fourth Proportional to 5,672.08, 8,507.43 and 1,974.00

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Solution

The fourth proportional to 5,672.08, 8,507.43 and 1,974.00 is: 2,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.08 : 8,507.43 = 1,974.00 : x
  2. Step 2: Convert to fraction form
    5,672.08/8,507.43 = 1,974.00/x
  3. Step 3: Cross multiply
    5,672.08x = 8,507.43 × 1,974.00
  4. Step 4: Simplify right side
    5,672.08x = 16,793,626.94
  5. Step 5: Solve for x
    x = 16,793,626.94/5,672.08
  6. Step 6: Final answer
    x = 2,960.76

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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.