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Finding the Fourth Proportional to 55,993.02, 83,579.93 and 49,350.21

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Solution

The fourth proportional to 55,993.02, 83,579.93 and 49,350.21 is: 73,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,993.02 : 83,579.93 = 49,350.21 : x
  2. Step 2: Convert to fraction form
    55,993.02/83,579.93 = 49,350.21/x
  3. Step 3: Cross multiply
    55,993.02x = 83,579.93 × 49,350.21
  4. Step 4: Simplify right side
    55,993.02x = 4,124,686,850.53
  5. Step 5: Solve for x
    x = 4,124,686,850.53/55,993.02
  6. Step 6: Final answer
    x = 73,664.30

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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.