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Finding the Fourth Proportional to 5,255.62, 7,894.36 and 4,435.48

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Solution

The fourth proportional to 5,255.62, 7,894.36 and 4,435.48 is: 6,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.62 : 7,894.36 = 4,435.48 : x
  2. Step 2: Convert to fraction form
    5,255.62/7,894.36 = 4,435.48/x
  3. Step 3: Cross multiply
    5,255.62x = 7,894.36 × 4,435.48
  4. Step 4: Simplify right side
    5,255.62x = 35,015,275.89
  5. Step 5: Solve for x
    x = 35,015,275.89/5,255.62
  6. Step 6: Final answer
    x = 6,662.44

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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.