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Finding the Fourth Proportional to 58,563.54, 87,835.86 and 19,120.32

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Solution

The fourth proportional to 58,563.54, 87,835.86 and 19,120.32 is: 28,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,563.54 : 87,835.86 = 19,120.32 : x
  2. Step 2: Convert to fraction form
    58,563.54/87,835.86 = 19,120.32/x
  3. Step 3: Cross multiply
    58,563.54x = 87,835.86 × 19,120.32
  4. Step 4: Simplify right side
    58,563.54x = 1,679,449,750.68
  5. Step 5: Solve for x
    x = 1,679,449,750.68/58,563.54
  6. Step 6: Final answer
    x = 28,677.39

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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.