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Finding the Fourth Proportional to 34,991.37, 52,486.86 and 8,696.10

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Solution

The fourth proportional to 34,991.37, 52,486.86 and 8,696.10 is: 13,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,991.37 : 52,486.86 = 8,696.10 : x
  2. Step 2: Convert to fraction form
    34,991.37/52,486.86 = 8,696.10/x
  3. Step 3: Cross multiply
    34,991.37x = 52,486.86 × 8,696.10
  4. Step 4: Simplify right side
    34,991.37x = 456,430,983.25
  5. Step 5: Solve for x
    x = 456,430,983.25/34,991.37
  6. Step 6: Final answer
    x = 13,044.10

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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.