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Finding the Fourth Proportional to 58,415.21, 87,630.10 and 22,871.94

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Solution

The fourth proportional to 58,415.21, 87,630.10 and 22,871.94 is: 34,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,415.21 : 87,630.10 = 22,871.94 : x
  2. Step 2: Convert to fraction form
    58,415.21/87,630.10 = 22,871.94/x
  3. Step 3: Cross multiply
    58,415.21x = 87,630.10 × 22,871.94
  4. Step 4: Simplify right side
    58,415.21x = 2,004,270,389.39
  5. Step 5: Solve for x
    x = 2,004,270,389.39/58,415.21
  6. Step 6: Final answer
    x = 34,310.76

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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.