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Finding the Fourth Proportional to 79,592.76, 119,415.06 and 38,043

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Solution

The fourth proportional to 79,592.76, 119,415.06 and 38,043 is: 57,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,592.76 : 119,415.06 = 38,043 : x
  2. Step 2: Convert to fraction form
    79,592.76/119,415.06 = 38,043/x
  3. Step 3: Cross multiply
    79,592.76x = 119,415.06 × 38,043
  4. Step 4: Simplify right side
    79,592.76x = 4,542,907,127.58
  5. Step 5: Solve for x
    x = 4,542,907,127.58/79,592.76
  6. Step 6: Final answer
    x = 57,076.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.