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Finding the Fourth Proportional to 34,755.92, 52,133.44 and 8,460.68

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Solution

The fourth proportional to 34,755.92, 52,133.44 and 8,460.68 is: 12,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,755.92 : 52,133.44 = 8,460.68 : x
  2. Step 2: Convert to fraction form
    34,755.92/52,133.44 = 8,460.68/x
  3. Step 3: Cross multiply
    34,755.92x = 52,133.44 × 8,460.68
  4. Step 4: Simplify right side
    34,755.92x = 441,084,353.14
  5. Step 5: Solve for x
    x = 441,084,353.14/34,755.92
  6. Step 6: Final answer
    x = 12,690.91

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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.