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Finding the Fourth Proportional to 44,980.80, 67,438.80 and 25,265.40

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Solution

The fourth proportional to 44,980.80, 67,438.80 and 25,265.40 is: 37,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,980.80 : 67,438.80 = 25,265.40 : x
  2. Step 2: Convert to fraction form
    44,980.80/67,438.80 = 25,265.40/x
  3. Step 3: Cross multiply
    44,980.80x = 67,438.80 × 25,265.40
  4. Step 4: Simplify right side
    44,980.80x = 1,703,868,257.52
  5. Step 5: Solve for x
    x = 1,703,868,257.52/44,980.80
  6. Step 6: Final answer
    x = 37,879.90

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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.