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Finding the Fourth Proportional to 64,835.79, 89,473.41 and 35,027.79

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Solution

The fourth proportional to 64,835.79, 89,473.41 and 35,027.79 is: 48,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,835.79 : 89,473.41 = 35,027.79 : x
  2. Step 2: Convert to fraction form
    64,835.79/89,473.41 = 35,027.79/x
  3. Step 3: Cross multiply
    64,835.79x = 89,473.41 × 35,027.79
  4. Step 4: Simplify right side
    64,835.79x = 3,134,055,816.06
  5. Step 5: Solve for x
    x = 3,134,055,816.06/64,835.79
  6. Step 6: Final answer
    x = 48,338.36

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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.