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Finding the Fourth Proportional to 59,004.60, 81,529.92 and 47,165.64

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Solution

The fourth proportional to 59,004.60, 81,529.92 and 47,165.64 is: 65,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,004.60 : 81,529.92 = 47,165.64 : x
  2. Step 2: Convert to fraction form
    59,004.60/81,529.92 = 47,165.64/x
  3. Step 3: Cross multiply
    59,004.60x = 81,529.92 × 47,165.64
  4. Step 4: Simplify right side
    59,004.60x = 3,845,410,855.95
  5. Step 5: Solve for x
    x = 3,845,410,855.95/59,004.60
  6. Step 6: Final answer
    x = 65,171.37

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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.