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Finding the Fourth Proportional to 28,910.52, 43,246.98 and 23,078.52

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Solution

The fourth proportional to 28,910.52, 43,246.98 and 23,078.52 is: 34,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.52 : 43,246.98 = 23,078.52 : x
  2. Step 2: Convert to fraction form
    28,910.52/43,246.98 = 23,078.52/x
  3. Step 3: Cross multiply
    28,910.52x = 43,246.98 × 23,078.52
  4. Step 4: Simplify right side
    28,910.52x = 998,076,292.87
  5. Step 5: Solve for x
    x = 998,076,292.87/28,910.52
  6. Step 6: Final answer
    x = 34,522.95

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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.