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Finding the Fourth Proportional to 60,391.30, 90,948.64 and 55,004.44

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Solution

The fourth proportional to 60,391.30, 90,948.64 and 55,004.44 is: 82,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,391.30 : 90,948.64 = 55,004.44 : x
  2. Step 2: Convert to fraction form
    60,391.30/90,948.64 = 55,004.44/x
  3. Step 3: Cross multiply
    60,391.30x = 90,948.64 × 55,004.44
  4. Step 4: Simplify right side
    60,391.30x = 5,002,579,011.96
  5. Step 5: Solve for x
    x = 5,002,579,011.96/60,391.30
  6. Step 6: Final answer
    x = 82,836.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.