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Finding the Fourth Proportional to 59,363.84, 81,917.76 and 33,871.20

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Solution

The fourth proportional to 59,363.84, 81,917.76 and 33,871.20 is: 46,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,363.84 : 81,917.76 = 33,871.20 : x
  2. Step 2: Convert to fraction form
    59,363.84/81,917.76 = 33,871.20/x
  3. Step 3: Cross multiply
    59,363.84x = 81,917.76 × 33,871.20
  4. Step 4: Simplify right side
    59,363.84x = 2,774,652,832.51
  5. Step 5: Solve for x
    x = 2,774,652,832.51/59,363.84
  6. Step 6: Final answer
    x = 46,739.78

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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.