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Finding the Fourth Proportional to 6,235.80, 8,605.05 and 3,546.65

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Solution

The fourth proportional to 6,235.80, 8,605.05 and 3,546.65 is: 4,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.80 : 8,605.05 = 3,546.65 : x
  2. Step 2: Convert to fraction form
    6,235.80/8,605.05 = 3,546.65/x
  3. Step 3: Cross multiply
    6,235.80x = 8,605.05 × 3,546.65
  4. Step 4: Simplify right side
    6,235.80x = 30,519,130.96
  5. Step 5: Solve for x
    x = 30,519,130.96/6,235.80
  6. Step 6: Final answer
    x = 4,894.18

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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.