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Finding the Fourth Proportional to 60,497.28, 83,481.03 and 33,639.30

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Solution

The fourth proportional to 60,497.28, 83,481.03 and 33,639.30 is: 46,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,497.28 : 83,481.03 = 33,639.30 : x
  2. Step 2: Convert to fraction form
    60,497.28/83,481.03 = 33,639.30/x
  3. Step 3: Cross multiply
    60,497.28x = 83,481.03 × 33,639.30
  4. Step 4: Simplify right side
    60,497.28x = 2,808,243,412.48
  5. Step 5: Solve for x
    x = 2,808,243,412.48/60,497.28
  6. Step 6: Final answer
    x = 46,419.33

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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.