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Finding the Fourth Proportional to 29,976.44, 44,964.65 and 8,916.39

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Solution

The fourth proportional to 29,976.44, 44,964.65 and 8,916.39 is: 13,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,976.44 : 44,964.65 = 8,916.39 : x
  2. Step 2: Convert to fraction form
    29,976.44/44,964.65 = 8,916.39/x
  3. Step 3: Cross multiply
    29,976.44x = 44,964.65 × 8,916.39
  4. Step 4: Simplify right side
    29,976.44x = 400,922,311.03
  5. Step 5: Solve for x
    x = 400,922,311.03/29,976.44
  6. Step 6: Final answer
    x = 13,374.58

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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.