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Finding the Fourth Proportional to 4,893.60, 7,327.44 and 2,943.12

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Solution

The fourth proportional to 4,893.60, 7,327.44 and 2,943.12 is: 4,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.60 : 7,327.44 = 2,943.12 : x
  2. Step 2: Convert to fraction form
    4,893.60/7,327.44 = 2,943.12/x
  3. Step 3: Cross multiply
    4,893.60x = 7,327.44 × 2,943.12
  4. Step 4: Simplify right side
    4,893.60x = 21,565,535.21
  5. Step 5: Solve for x
    x = 21,565,535.21/4,893.60
  6. Step 6: Final answer
    x = 4,406.89

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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.