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Finding the Fourth Proportional to 62,900.48, 86,838.48 and 41,708.36

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Solution

The fourth proportional to 62,900.48, 86,838.48 and 41,708.36 is: 57,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,900.48 : 86,838.48 = 41,708.36 : x
  2. Step 2: Convert to fraction form
    62,900.48/86,838.48 = 41,708.36/x
  3. Step 3: Cross multiply
    62,900.48x = 86,838.48 × 41,708.36
  4. Step 4: Simplify right side
    62,900.48x = 3,621,890,585.69
  5. Step 5: Solve for x
    x = 3,621,890,585.69/62,900.48
  6. Step 6: Final answer
    x = 57,581.29

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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.