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Finding the Fourth Proportional to 59,871.80, 82,623.66 and 33,015.40

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Solution

The fourth proportional to 59,871.80, 82,623.66 and 33,015.40 is: 45,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,871.80 : 82,623.66 = 33,015.40 : x
  2. Step 2: Convert to fraction form
    59,871.80/82,623.66 = 33,015.40/x
  3. Step 3: Cross multiply
    59,871.80x = 82,623.66 × 33,015.40
  4. Step 4: Simplify right side
    59,871.80x = 2,727,853,184.36
  5. Step 5: Solve for x
    x = 2,727,853,184.36/59,871.80
  6. Step 6: Final answer
    x = 45,561.57

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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.