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Finding the Fourth Proportional to 6,636.93, 9,956.84 and 2,019.81

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Solution

The fourth proportional to 6,636.93, 9,956.84 and 2,019.81 is: 3,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.93 : 9,956.84 = 2,019.81 : x
  2. Step 2: Convert to fraction form
    6,636.93/9,956.84 = 2,019.81/x
  3. Step 3: Cross multiply
    6,636.93x = 9,956.84 × 2,019.81
  4. Step 4: Simplify right side
    6,636.93x = 20,110,947.37
  5. Step 5: Solve for x
    x = 20,110,947.37/6,636.93
  6. Step 6: Final answer
    x = 3,030.16

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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.