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Finding the Fourth Proportional to 55,393.16, 82,665.80 and 49,483.40

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Solution

The fourth proportional to 55,393.16, 82,665.80 and 49,483.40 is: 73,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,393.16 : 82,665.80 = 49,483.40 : x
  2. Step 2: Convert to fraction form
    55,393.16/82,665.80 = 49,483.40/x
  3. Step 3: Cross multiply
    55,393.16x = 82,665.80 × 49,483.40
  4. Step 4: Simplify right side
    55,393.16x = 4,090,584,847.72
  5. Step 5: Solve for x
    x = 4,090,584,847.72/55,393.16
  6. Step 6: Final answer
    x = 73,846.39

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