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Finding the Fourth Proportional to 34,990.70, 48,249.05 and 23,640.48

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Solution

The fourth proportional to 34,990.70, 48,249.05 and 23,640.48 is: 32,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,990.70 : 48,249.05 = 23,640.48 : x
  2. Step 2: Convert to fraction form
    34,990.70/48,249.05 = 23,640.48/x
  3. Step 3: Cross multiply
    34,990.70x = 48,249.05 × 23,640.48
  4. Step 4: Simplify right side
    34,990.70x = 1,140,630,583.34
  5. Step 5: Solve for x
    x = 1,140,630,583.34/34,990.70
  6. Step 6: Final answer
    x = 32,598.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.