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Finding the Fourth Proportional to 62,579.39, 86,360.65 and 34,283.39

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Solution

The fourth proportional to 62,579.39, 86,360.65 and 34,283.39 is: 47,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,579.39 : 86,360.65 = 34,283.39 : x
  2. Step 2: Convert to fraction form
    62,579.39/86,360.65 = 34,283.39/x
  3. Step 3: Cross multiply
    62,579.39x = 86,360.65 × 34,283.39
  4. Step 4: Simplify right side
    62,579.39x = 2,960,735,327.09
  5. Step 5: Solve for x
    x = 2,960,735,327.09/62,579.39
  6. Step 6: Final answer
    x = 47,311.67

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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.