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Finding the Fourth Proportional to 58,822.86, 88,234.32 and 21,375.96

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Solution

The fourth proportional to 58,822.86, 88,234.32 and 21,375.96 is: 32,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,822.86 : 88,234.32 = 21,375.96 : x
  2. Step 2: Convert to fraction form
    58,822.86/88,234.32 = 21,375.96/x
  3. Step 3: Cross multiply
    58,822.86x = 88,234.32 × 21,375.96
  4. Step 4: Simplify right side
    58,822.86x = 1,886,093,294.95
  5. Step 5: Solve for x
    x = 1,886,093,294.95/58,822.86
  6. Step 6: Final answer
    x = 32,063.95

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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.