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Finding the Fourth Proportional to 62,676.48, 86,489.52 and 34,376.16

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Solution

The fourth proportional to 62,676.48, 86,489.52 and 34,376.16 is: 47,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,676.48 : 86,489.52 = 34,376.16 : x
  2. Step 2: Convert to fraction form
    62,676.48/86,489.52 = 34,376.16/x
  3. Step 3: Cross multiply
    62,676.48x = 86,489.52 × 34,376.16
  4. Step 4: Simplify right side
    62,676.48x = 2,973,177,577.84
  5. Step 5: Solve for x
    x = 2,973,177,577.84/62,676.48
  6. Step 6: Final answer
    x = 47,436.89

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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.