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Finding the Fourth Proportional to 6,805.62, 10,210.46 and 5,768.15

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Solution

The fourth proportional to 6,805.62, 10,210.46 and 5,768.15 is: 8,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.62 : 10,210.46 = 5,768.15 : x
  2. Step 2: Convert to fraction form
    6,805.62/10,210.46 = 5,768.15/x
  3. Step 3: Cross multiply
    6,805.62x = 10,210.46 × 5,768.15
  4. Step 4: Simplify right side
    6,805.62x = 58,895,384.96
  5. Step 5: Solve for x
    x = 58,895,384.96/6,805.62
  6. Step 6: Final answer
    x = 8,653.93

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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.