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Finding the Fourth Proportional to 55,294.07, 82,941.09 and 18,358.07

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Solution

The fourth proportional to 55,294.07, 82,941.09 and 18,358.07 is: 27,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294.07 : 82,941.09 = 18,358.07 : x
  2. Step 2: Convert to fraction form
    55,294.07/82,941.09 = 18,358.07/x
  3. Step 3: Cross multiply
    55,294.07x = 82,941.09 × 18,358.07
  4. Step 4: Simplify right side
    55,294.07x = 1,522,638,336.10
  5. Step 5: Solve for x
    x = 1,522,638,336.10/55,294.07
  6. Step 6: Final answer
    x = 27,537.10

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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.