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Finding the Fourth Proportional to 58,092.76, 87,137.32 and 16,539.76

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Solution

The fourth proportional to 58,092.76, 87,137.32 and 16,539.76 is: 24,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,092.76 : 87,137.32 = 16,539.76 : x
  2. Step 2: Convert to fraction form
    58,092.76/87,137.32 = 16,539.76/x
  3. Step 3: Cross multiply
    58,092.76x = 87,137.32 × 16,539.76
  4. Step 4: Simplify right side
    58,092.76x = 1,441,230,359.84
  5. Step 5: Solve for x
    x = 1,441,230,359.84/58,092.76
  6. Step 6: Final answer
    x = 24,809.12

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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.