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Finding the Fourth Proportional to 43,976.79, 65,964.60 and 10,696.77

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Solution

The fourth proportional to 43,976.79, 65,964.60 and 10,696.77 is: 16,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,976.79 : 65,964.60 = 10,696.77 : x
  2. Step 2: Convert to fraction form
    43,976.79/65,964.60 = 10,696.77/x
  3. Step 3: Cross multiply
    43,976.79x = 65,964.60 × 10,696.77
  4. Step 4: Simplify right side
    43,976.79x = 705,608,154.34
  5. Step 5: Solve for x
    x = 705,608,154.34/43,976.79
  6. Step 6: Final answer
    x = 16,045.01

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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.