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Finding the Fourth Proportional to 62,995.56, 86,970.02 and 41,803.56

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Solution

The fourth proportional to 62,995.56, 86,970.02 and 41,803.56 is: 57,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,995.56 : 86,970.02 = 41,803.56 : x
  2. Step 2: Convert to fraction form
    62,995.56/86,970.02 = 41,803.56/x
  3. Step 3: Cross multiply
    62,995.56x = 86,970.02 × 41,803.56
  4. Step 4: Simplify right side
    62,995.56x = 3,635,656,449.27
  5. Step 5: Solve for x
    x = 3,635,656,449.27/62,995.56
  6. Step 6: Final answer
    x = 57,712.90

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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.