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Finding the Fourth Proportional to 29,632.80, 44,362.80 and 28,768.80

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Solution

The fourth proportional to 29,632.80, 44,362.80 and 28,768.80 is: 43,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,632.80 : 44,362.80 = 28,768.80 : x
  2. Step 2: Convert to fraction form
    29,632.80/44,362.80 = 28,768.80/x
  3. Step 3: Cross multiply
    29,632.80x = 44,362.80 × 28,768.80
  4. Step 4: Simplify right side
    29,632.80x = 1,276,264,520.64
  5. Step 5: Solve for x
    x = 1,276,264,520.64/29,632.80
  6. Step 6: Final answer
    x = 43,069.32

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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.