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Finding the Fourth Proportional to 29,744.80, 44,530.80 and 28,880.80

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Solution

The fourth proportional to 29,744.80, 44,530.80 and 28,880.80 is: 43,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,744.80 : 44,530.80 = 28,880.80 : x
  2. Step 2: Convert to fraction form
    29,744.80/44,530.80 = 28,880.80/x
  3. Step 3: Cross multiply
    29,744.80x = 44,530.80 × 28,880.80
  4. Step 4: Simplify right side
    29,744.80x = 1,286,085,128.64
  5. Step 5: Solve for x
    x = 1,286,085,128.64/29,744.80
  6. Step 6: Final answer
    x = 43,237.31

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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.