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Finding the Fourth Proportional to 48,630.98, 72,946.49 and 15,354.44

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Solution

The fourth proportional to 48,630.98, 72,946.49 and 15,354.44 is: 23,031.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,630.98 : 72,946.49 = 15,354.44 : x
  2. Step 2: Convert to fraction form
    48,630.98/72,946.49 = 15,354.44/x
  3. Step 3: Cross multiply
    48,630.98x = 72,946.49 × 15,354.44
  4. Step 4: Simplify right side
    48,630.98x = 1,120,052,177.57
  5. Step 5: Solve for x
    x = 1,120,052,177.57/48,630.98
  6. Step 6: Final answer
    x = 23,031.66

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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.