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Finding the Fourth Proportional to 58,617.63, 87,675.26 and 54,363.24

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Solution

The fourth proportional to 58,617.63, 87,675.26 and 54,363.24 is: 81,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,617.63 : 87,675.26 = 54,363.24 : x
  2. Step 2: Convert to fraction form
    58,617.63/87,675.26 = 54,363.24/x
  3. Step 3: Cross multiply
    58,617.63x = 87,675.26 × 54,363.24
  4. Step 4: Simplify right side
    58,617.63x = 4,766,310,929.63
  5. Step 5: Solve for x
    x = 4,766,310,929.63/58,617.63
  6. Step 6: Final answer
    x = 81,311.90

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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.