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Finding the Fourth Proportional to 62,977.80, 94,005.94 and 55,504.68

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Solution

The fourth proportional to 62,977.80, 94,005.94 and 55,504.68 is: 82,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,977.80 : 94,005.94 = 55,504.68 : x
  2. Step 2: Convert to fraction form
    62,977.80/94,005.94 = 55,504.68/x
  3. Step 3: Cross multiply
    62,977.80x = 94,005.94 × 55,504.68
  4. Step 4: Simplify right side
    62,977.80x = 5,217,769,386.69
  5. Step 5: Solve for x
    x = 5,217,769,386.69/62,977.80
  6. Step 6: Final answer
    x = 82,850.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.