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Finding the Fourth Proportional to 55,134, 82,696.07 and 17,683.90

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Solution

The fourth proportional to 55,134, 82,696.07 and 17,683.90 is: 26,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134 : 82,696.07 = 17,683.90 : x
  2. Step 2: Convert to fraction form
    55,134/82,696.07 = 17,683.90/x
  3. Step 3: Cross multiply
    55,134x = 82,696.07 × 17,683.90
  4. Step 4: Simplify right side
    55,134x = 1,462,388,869.74
  5. Step 5: Solve for x
    x = 1,462,388,869.74/55,134
  6. Step 6: Final answer
    x = 26,524.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.