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Finding the Fourth Proportional to 45,456.70, 68,201.50 and 23,280.52

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Solution

The fourth proportional to 45,456.70, 68,201.50 and 23,280.52 is: 34,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.70 : 68,201.50 = 23,280.52 : x
  2. Step 2: Convert to fraction form
    45,456.70/68,201.50 = 23,280.52/x
  3. Step 3: Cross multiply
    45,456.70x = 68,201.50 × 23,280.52
  4. Step 4: Simplify right side
    45,456.70x = 1,587,766,384.78
  5. Step 5: Solve for x
    x = 1,587,766,384.78/45,456.70
  6. Step 6: Final answer
    x = 34,929.20

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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.