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Finding the Fourth Proportional to 3,245.57, 4,869.16 and 937.07

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Solution

The fourth proportional to 3,245.57, 4,869.16 and 937.07 is: 1,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.57 : 4,869.16 = 937.07 : x
  2. Step 2: Convert to fraction form
    3,245.57/4,869.16 = 937.07/x
  3. Step 3: Cross multiply
    3,245.57x = 4,869.16 × 937.07
  4. Step 4: Simplify right side
    3,245.57x = 4,562,714.73
  5. Step 5: Solve for x
    x = 4,562,714.73/3,245.57
  6. Step 6: Final answer
    x = 1,405.83

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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.