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Finding the Fourth Proportional to 59,328.54, 81,837.81 and 39,185.46

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Solution

The fourth proportional to 59,328.54, 81,837.81 and 39,185.46 is: 54,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,328.54 : 81,837.81 = 39,185.46 : x
  2. Step 2: Convert to fraction form
    59,328.54/81,837.81 = 39,185.46/x
  3. Step 3: Cross multiply
    59,328.54x = 81,837.81 × 39,185.46
  4. Step 4: Simplify right side
    59,328.54x = 3,206,852,230.24
  5. Step 5: Solve for x
    x = 3,206,852,230.24/59,328.54
  6. Step 6: Final answer
    x = 54,052.44

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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.