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Finding the Fourth Proportional to 6,203.80, 9,305.70 and 5,790.70

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Solution

The fourth proportional to 6,203.80, 9,305.70 and 5,790.70 is: 8,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,203.80 : 9,305.70 = 5,790.70 : x
  2. Step 2: Convert to fraction form
    6,203.80/9,305.70 = 5,790.70/x
  3. Step 3: Cross multiply
    6,203.80x = 9,305.70 × 5,790.70
  4. Step 4: Simplify right side
    6,203.80x = 53,886,516.99
  5. Step 5: Solve for x
    x = 53,886,516.99/6,203.80
  6. Step 6: Final answer
    x = 8,686.05

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Similar ratio
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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.