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Finding the Fourth Proportional to 58,452, 80,676.72 and 36,108.96

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Solution

The fourth proportional to 58,452, 80,676.72 and 36,108.96 is: 49,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,452 : 80,676.72 = 36,108.96 : x
  2. Step 2: Convert to fraction form
    58,452/80,676.72 = 36,108.96/x
  3. Step 3: Cross multiply
    58,452x = 80,676.72 × 36,108.96
  4. Step 4: Simplify right side
    58,452x = 2,913,152,455.41
  5. Step 5: Solve for x
    x = 2,913,152,455.41/58,452
  6. Step 6: Final answer
    x = 49,838.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.