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Finding the Fourth Proportional to 29,980.80, 44,932.80 and 23,020.80

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Solution

The fourth proportional to 29,980.80, 44,932.80 and 23,020.80 is: 34,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,980.80 : 44,932.80 = 23,020.80 : x
  2. Step 2: Convert to fraction form
    29,980.80/44,932.80 = 23,020.80/x
  3. Step 3: Cross multiply
    29,980.80x = 44,932.80 × 23,020.80
  4. Step 4: Simplify right side
    29,980.80x = 1,034,389,002.24
  5. Step 5: Solve for x
    x = 1,034,389,002.24/29,980.80
  6. Step 6: Final answer
    x = 34,501.71

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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.