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Finding the Fourth Proportional to 2,976, 4,465.08 and 2,736.24

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Solution

The fourth proportional to 2,976, 4,465.08 and 2,736.24 is: 4,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976 : 4,465.08 = 2,736.24 : x
  2. Step 2: Convert to fraction form
    2,976/4,465.08 = 2,736.24/x
  3. Step 3: Cross multiply
    2,976x = 4,465.08 × 2,736.24
  4. Step 4: Simplify right side
    2,976x = 12,217,530.50
  5. Step 5: Solve for x
    x = 12,217,530.50/2,976
  6. Step 6: Final answer
    x = 4,105.35

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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.