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Finding the Fourth Proportional to 55,294.56, 82,941.84 and 18,358.56

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Solution

The fourth proportional to 55,294.56, 82,941.84 and 18,358.56 is: 27,537.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294.56 : 82,941.84 = 18,358.56 : x
  2. Step 2: Convert to fraction form
    55,294.56/82,941.84 = 18,358.56/x
  3. Step 3: Cross multiply
    55,294.56x = 82,941.84 × 18,358.56
  4. Step 4: Simplify right side
    55,294.56x = 1,522,692,746.15
  5. Step 5: Solve for x
    x = 1,522,692,746.15/55,294.56
  6. Step 6: Final answer
    x = 27,537.84

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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.