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Finding the Fourth Proportional to 44,749.70, 66,978.45 and 32,900.34

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Solution

The fourth proportional to 44,749.70, 66,978.45 and 32,900.34 is: 49,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,749.70 : 66,978.45 = 32,900.34 : x
  2. Step 2: Convert to fraction form
    44,749.70/66,978.45 = 32,900.34/x
  3. Step 3: Cross multiply
    44,749.70x = 66,978.45 × 32,900.34
  4. Step 4: Simplify right side
    44,749.70x = 2,203,613,777.67
  5. Step 5: Solve for x
    x = 2,203,613,777.67/44,749.70
  6. Step 6: Final answer
    x = 49,243.10

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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.