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Finding the Fourth Proportional to 4,893.60, 6,755.60 and 3,322.40

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Solution

The fourth proportional to 4,893.60, 6,755.60 and 3,322.40 is: 4,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.60 : 6,755.60 = 3,322.40 : x
  2. Step 2: Convert to fraction form
    4,893.60/6,755.60 = 3,322.40/x
  3. Step 3: Cross multiply
    4,893.60x = 6,755.60 × 3,322.40
  4. Step 4: Simplify right side
    4,893.60x = 22,444,805.44
  5. Step 5: Solve for x
    x = 22,444,805.44/4,893.60
  6. Step 6: Final answer
    x = 4,586.56

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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.