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Finding the Fourth Proportional to 59,957.81, 82,742.45 and 33,100.33

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Solution

The fourth proportional to 59,957.81, 82,742.45 and 33,100.33 is: 45,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,957.81 : 82,742.45 = 33,100.33 : x
  2. Step 2: Convert to fraction form
    59,957.81/82,742.45 = 33,100.33/x
  3. Step 3: Cross multiply
    59,957.81x = 82,742.45 × 33,100.33
  4. Step 4: Simplify right side
    59,957.81x = 2,738,802,400.01
  5. Step 5: Solve for x
    x = 2,738,802,400.01/59,957.81
  6. Step 6: Final answer
    x = 45,678.83

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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.