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Finding the Fourth Proportional to 3,235.60, 4,845.42 and 1,845.50

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Solution

The fourth proportional to 3,235.60, 4,845.42 and 1,845.50 is: 2,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.60 : 4,845.42 = 1,845.50 : x
  2. Step 2: Convert to fraction form
    3,235.60/4,845.42 = 1,845.50/x
  3. Step 3: Cross multiply
    3,235.60x = 4,845.42 × 1,845.50
  4. Step 4: Simplify right side
    3,235.60x = 8,942,227.22
  5. Step 5: Solve for x
    x = 8,942,227.22/3,235.60
  6. Step 6: Final answer
    x = 2,763.70

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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.