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Finding the Fourth Proportional to 5,671.26, 7,826.34 and 3,313.34

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Solution

The fourth proportional to 5,671.26, 7,826.34 and 3,313.34 is: 4,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.26 : 7,826.34 = 3,313.34 : x
  2. Step 2: Convert to fraction form
    5,671.26/7,826.34 = 3,313.34/x
  3. Step 3: Cross multiply
    5,671.26x = 7,826.34 × 3,313.34
  4. Step 4: Simplify right side
    5,671.26x = 25,931,325.38
  5. Step 5: Solve for x
    x = 25,931,325.38/5,671.26
  6. Step 6: Final answer
    x = 4,572.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.