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Finding the Fourth Proportional to 35,234.80, 52,852.20 and 11,858.80

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Solution

The fourth proportional to 35,234.80, 52,852.20 and 11,858.80 is: 17,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,234.80 : 52,852.20 = 11,858.80 : x
  2. Step 2: Convert to fraction form
    35,234.80/52,852.20 = 11,858.80/x
  3. Step 3: Cross multiply
    35,234.80x = 52,852.20 × 11,858.80
  4. Step 4: Simplify right side
    35,234.80x = 626,763,669.36
  5. Step 5: Solve for x
    x = 626,763,669.36/35,234.80
  6. Step 6: Final answer
    x = 17,788.20

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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.