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Finding the Fourth Proportional to 59,129.88, 81,583.65 and 33,636.48

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Solution

The fourth proportional to 59,129.88, 81,583.65 and 33,636.48 is: 46,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,129.88 : 81,583.65 = 33,636.48 : x
  2. Step 2: Convert to fraction form
    59,129.88/81,583.65 = 33,636.48/x
  3. Step 3: Cross multiply
    59,129.88x = 81,583.65 × 33,636.48
  4. Step 4: Simplify right side
    59,129.88x = 2,744,186,811.55
  5. Step 5: Solve for x
    x = 2,744,186,811.55/59,129.88
  6. Step 6: Final answer
    x = 46,409.48

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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.