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Finding the Fourth Proportional to 3,722.05, 5,583.11 and 948.73

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Solution

The fourth proportional to 3,722.05, 5,583.11 and 948.73 is: 1,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.05 : 5,583.11 = 948.73 : x
  2. Step 2: Convert to fraction form
    3,722.05/5,583.11 = 948.73/x
  3. Step 3: Cross multiply
    3,722.05x = 5,583.11 × 948.73
  4. Step 4: Simplify right side
    3,722.05x = 5,296,863.95
  5. Step 5: Solve for x
    x = 5,296,863.95/3,722.05
  6. Step 6: Final answer
    x = 1,423.10

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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.