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Finding the Fourth Proportional to 35,476.87, 53,208.48 and 11,780.73

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Solution

The fourth proportional to 35,476.87, 53,208.48 and 11,780.73 is: 17,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,476.87 : 53,208.48 = 11,780.73 : x
  2. Step 2: Convert to fraction form
    35,476.87/53,208.48 = 11,780.73/x
  3. Step 3: Cross multiply
    35,476.87x = 53,208.48 × 11,780.73
  4. Step 4: Simplify right side
    35,476.87x = 626,834,736.59
  5. Step 5: Solve for x
    x = 626,834,736.59/35,476.87
  6. Step 6: Final answer
    x = 17,668.83

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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.