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Finding the Fourth Proportional to 6,663.06, 9,994.19 and 1,983.08

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Solution

The fourth proportional to 6,663.06, 9,994.19 and 1,983.08 is: 2,974.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.06 : 9,994.19 = 1,983.08 : x
  2. Step 2: Convert to fraction form
    6,663.06/9,994.19 = 1,983.08/x
  3. Step 3: Cross multiply
    6,663.06x = 9,994.19 × 1,983.08
  4. Step 4: Simplify right side
    6,663.06x = 19,819,293.38
  5. Step 5: Solve for x
    x = 19,819,293.38/6,663.06
  6. Step 6: Final answer
    x = 2,974.50

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Half scale
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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.