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Finding the Fourth Proportional to 62,969.25, 86,897.57 and 34,674.87

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Solution

The fourth proportional to 62,969.25, 86,897.57 and 34,674.87 is: 47,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,969.25 : 86,897.57 = 34,674.87 : x
  2. Step 2: Convert to fraction form
    62,969.25/86,897.57 = 34,674.87/x
  3. Step 3: Cross multiply
    62,969.25x = 86,897.57 × 34,674.87
  4. Step 4: Simplify right side
    62,969.25x = 3,013,161,769.69
  5. Step 5: Solve for x
    x = 3,013,161,769.69/62,969.25
  6. Step 6: Final answer
    x = 47,851.32

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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.