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Finding the Fourth Proportional to 4,273, 6,409.92 and 1,195

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Solution

The fourth proportional to 4,273, 6,409.92 and 1,195 is: 1,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273 : 6,409.92 = 1,195 : x
  2. Step 2: Convert to fraction form
    4,273/6,409.92 = 1,195/x
  3. Step 3: Cross multiply
    4,273x = 6,409.92 × 1,195
  4. Step 4: Simplify right side
    4,273x = 7,659,854.40
  5. Step 5: Solve for x
    x = 7,659,854.40/4,273
  6. Step 6: Final answer
    x = 1,792.62

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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.