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Finding the Fourth Proportional to 6,636.65, 9,954.51 and 1,956.95

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Solution

The fourth proportional to 6,636.65, 9,954.51 and 1,956.95 is: 2,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.65 : 9,954.51 = 1,956.95 : x
  2. Step 2: Convert to fraction form
    6,636.65/9,954.51 = 1,956.95/x
  3. Step 3: Cross multiply
    6,636.65x = 9,954.51 × 1,956.95
  4. Step 4: Simplify right side
    6,636.65x = 19,480,428.57
  5. Step 5: Solve for x
    x = 19,480,428.57/6,636.65
  6. Step 6: Final answer
    x = 2,935.28

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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.