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Finding the Fourth Proportional to 6,235.30, 8,605.20 and 3,583.63

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Solution

The fourth proportional to 6,235.30, 8,605.20 and 3,583.63 is: 4,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.30 : 8,605.20 = 3,583.63 : x
  2. Step 2: Convert to fraction form
    6,235.30/8,605.20 = 3,583.63/x
  3. Step 3: Cross multiply
    6,235.30x = 8,605.20 × 3,583.63
  4. Step 4: Simplify right side
    6,235.30x = 30,837,852.88
  5. Step 5: Solve for x
    x = 30,837,852.88/6,235.30
  6. Step 6: Final answer
    x = 4,945.69

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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.