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Finding the Fourth Proportional to 59,212.84, 81,768.28 and 38,029.02

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Solution

The fourth proportional to 59,212.84, 81,768.28 and 38,029.02 is: 52,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,212.84 : 81,768.28 = 38,029.02 : x
  2. Step 2: Convert to fraction form
    59,212.84/81,768.28 = 38,029.02/x
  3. Step 3: Cross multiply
    59,212.84x = 81,768.28 × 38,029.02
  4. Step 4: Simplify right side
    59,212.84x = 3,109,567,555.49
  5. Step 5: Solve for x
    x = 3,109,567,555.49/59,212.84
  6. Step 6: Final answer
    x = 52,515.09

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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.