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Finding the Fourth Proportional to 6,235.98, 8,605.50 and 3,403.40

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Solution

The fourth proportional to 6,235.98, 8,605.50 and 3,403.40 is: 4,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.98 : 8,605.50 = 3,403.40 : x
  2. Step 2: Convert to fraction form
    6,235.98/8,605.50 = 3,403.40/x
  3. Step 3: Cross multiply
    6,235.98x = 8,605.50 × 3,403.40
  4. Step 4: Simplify right side
    6,235.98x = 29,287,958.70
  5. Step 5: Solve for x
    x = 29,287,958.70/6,235.98
  6. Step 6: Final answer
    x = 4,696.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.