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Finding the Fourth Proportional to 3,235.49, 4,849.10 and 2,817.31

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Solution

The fourth proportional to 3,235.49, 4,849.10 and 2,817.31 is: 4,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.49 : 4,849.10 = 2,817.31 : x
  2. Step 2: Convert to fraction form
    3,235.49/4,849.10 = 2,817.31/x
  3. Step 3: Cross multiply
    3,235.49x = 4,849.10 × 2,817.31
  4. Step 4: Simplify right side
    3,235.49x = 13,661,379.59
  5. Step 5: Solve for x
    x = 13,661,379.59/3,235.49
  6. Step 6: Final answer
    x = 4,222.35

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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.