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Finding the Fourth Proportional to 5,246.82, 7,867.79 and 1,957.54

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Solution

The fourth proportional to 5,246.82, 7,867.79 and 1,957.54 is: 2,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.82 : 7,867.79 = 1,957.54 : x
  2. Step 2: Convert to fraction form
    5,246.82/7,867.79 = 1,957.54/x
  3. Step 3: Cross multiply
    5,246.82x = 7,867.79 × 1,957.54
  4. Step 4: Simplify right side
    5,246.82x = 15,401,513.64
  5. Step 5: Solve for x
    x = 15,401,513.64/5,246.82
  6. Step 6: Final answer
    x = 2,935.40

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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.