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Finding the Fourth Proportional to 59,872.88, 82,628.24 and 33,015.28

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Solution

The fourth proportional to 59,872.88, 82,628.24 and 33,015.28 is: 45,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,872.88 : 82,628.24 = 33,015.28 : x
  2. Step 2: Convert to fraction form
    59,872.88/82,628.24 = 33,015.28/x
  3. Step 3: Cross multiply
    59,872.88x = 82,628.24 × 33,015.28
  4. Step 4: Simplify right side
    59,872.88x = 2,727,994,479.51
  5. Step 5: Solve for x
    x = 2,727,994,479.51/59,872.88
  6. Step 6: Final answer
    x = 45,563.11

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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.