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Finding the Fourth Proportional to 4,635.78, 6,954.54 and 1,862.67

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Solution

The fourth proportional to 4,635.78, 6,954.54 and 1,862.67 is: 2,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.78 : 6,954.54 = 1,862.67 : x
  2. Step 2: Convert to fraction form
    4,635.78/6,954.54 = 1,862.67/x
  3. Step 3: Cross multiply
    4,635.78x = 6,954.54 × 1,862.67
  4. Step 4: Simplify right side
    4,635.78x = 12,954,046.09
  5. Step 5: Solve for x
    x = 12,954,046.09/4,635.78
  6. Step 6: Final answer
    x = 2,794.36

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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.