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Finding the Fourth Proportional to 29,760.80, 44,554.80 and 28,896.80

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Solution

The fourth proportional to 29,760.80, 44,554.80 and 28,896.80 is: 43,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,760.80 : 44,554.80 = 28,896.80 : x
  2. Step 2: Convert to fraction form
    29,760.80/44,554.80 = 28,896.80/x
  3. Step 3: Cross multiply
    29,760.80x = 44,554.80 × 28,896.80
  4. Step 4: Simplify right side
    29,760.80x = 1,287,491,144.64
  5. Step 5: Solve for x
    x = 1,287,491,144.64/29,760.80
  6. Step 6: Final answer
    x = 43,261.31

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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.