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Finding the Fourth Proportional to 2,964.02, 4,445.76 and 912.02

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Solution

The fourth proportional to 2,964.02, 4,445.76 and 912.02 is: 1,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.02 : 4,445.76 = 912.02 : x
  2. Step 2: Convert to fraction form
    2,964.02/4,445.76 = 912.02/x
  3. Step 3: Cross multiply
    2,964.02x = 4,445.76 × 912.02
  4. Step 4: Simplify right side
    2,964.02x = 4,054,622.04
  5. Step 5: Solve for x
    x = 4,054,622.04/2,964.02
  6. Step 6: Final answer
    x = 1,367.95

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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.