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Finding the Fourth Proportional to 5,928.09, 8,892.82 and 2,640.77

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Solution

The fourth proportional to 5,928.09, 8,892.82 and 2,640.77 is: 3,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.09 : 8,892.82 = 2,640.77 : x
  2. Step 2: Convert to fraction form
    5,928.09/8,892.82 = 2,640.77/x
  3. Step 3: Cross multiply
    5,928.09x = 8,892.82 × 2,640.77
  4. Step 4: Simplify right side
    5,928.09x = 23,483,884.46
  5. Step 5: Solve for x
    x = 23,483,884.46/5,928.09
  6. Step 6: Final answer
    x = 3,961.46

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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.