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Finding the Fourth Proportional to 58,905.92, 87,692.60 and 58,555.60

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Solution

The fourth proportional to 58,905.92, 87,692.60 and 58,555.60 is: 87,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,905.92 : 87,692.60 = 58,555.60 : x
  2. Step 2: Convert to fraction form
    58,905.92/87,692.60 = 58,555.60/x
  3. Step 3: Cross multiply
    58,905.92x = 87,692.60 × 58,555.60
  4. Step 4: Simplify right side
    58,905.92x = 5,134,892,735.72
  5. Step 5: Solve for x
    x = 5,134,892,735.72/58,905.92
  6. Step 6: Final answer
    x = 87,171.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.