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Finding the Fourth Proportional to 59,338.14, 81,900 and 36,699.03

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Solution

The fourth proportional to 59,338.14, 81,900 and 36,699.03 is: 50,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,338.14 : 81,900 = 36,699.03 : x
  2. Step 2: Convert to fraction form
    59,338.14/81,900 = 36,699.03/x
  3. Step 3: Cross multiply
    59,338.14x = 81,900 × 36,699.03
  4. Step 4: Simplify right side
    59,338.14x = 3,005,650,557
  5. Step 5: Solve for x
    x = 3,005,650,557/59,338.14
  6. Step 6: Final answer
    x = 50,652.93

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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.