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Finding the Fourth Proportional to 64,832.79, 89,469.27 and 35,024.79

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Solution

The fourth proportional to 64,832.79, 89,469.27 and 35,024.79 is: 48,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,832.79 : 89,469.27 = 35,024.79 : x
  2. Step 2: Convert to fraction form
    64,832.79/89,469.27 = 35,024.79/x
  3. Step 3: Cross multiply
    64,832.79x = 89,469.27 × 35,024.79
  4. Step 4: Simplify right side
    64,832.79x = 3,133,642,393.20
  5. Step 5: Solve for x
    x = 3,133,642,393.20/64,832.79
  6. Step 6: Final answer
    x = 48,334.22

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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.