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Finding the Fourth Proportional to 58,431.96, 87,621.96 and 36,244.44

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Solution

The fourth proportional to 58,431.96, 87,621.96 and 36,244.44 is: 54,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,431.96 : 87,621.96 = 36,244.44 : x
  2. Step 2: Convert to fraction form
    58,431.96/87,621.96 = 36,244.44/x
  3. Step 3: Cross multiply
    58,431.96x = 87,621.96 × 36,244.44
  4. Step 4: Simplify right side
    58,431.96x = 3,175,808,871.90
  5. Step 5: Solve for x
    x = 3,175,808,871.90/58,431.96
  6. Step 6: Final answer
    x = 54,350.55

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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.