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Finding the Fourth Proportional to 65,044.02, 89,749.26 and 36,354.51

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Solution

The fourth proportional to 65,044.02, 89,749.26 and 36,354.51 is: 50,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,044.02 : 89,749.26 = 36,354.51 : x
  2. Step 2: Convert to fraction form
    65,044.02/89,749.26 = 36,354.51/x
  3. Step 3: Cross multiply
    65,044.02x = 89,749.26 × 36,354.51
  4. Step 4: Simplify right side
    65,044.02x = 3,262,790,370.16
  5. Step 5: Solve for x
    x = 3,262,790,370.16/65,044.02
  6. Step 6: Final answer
    x = 50,162.80

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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.