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Finding the Fourth Proportional to 6,566.50, 9,849.75 and 1,949.50

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Solution

The fourth proportional to 6,566.50, 9,849.75 and 1,949.50 is: 2,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,566.50 : 9,849.75 = 1,949.50 : x
  2. Step 2: Convert to fraction form
    6,566.50/9,849.75 = 1,949.50/x
  3. Step 3: Cross multiply
    6,566.50x = 9,849.75 × 1,949.50
  4. Step 4: Simplify right side
    6,566.50x = 19,202,087.63
  5. Step 5: Solve for x
    x = 19,202,087.63/6,566.50
  6. Step 6: Final answer
    x = 2,924.25

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Double scale
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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.