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Finding the Fourth Proportional to 35,951.04, 53,936.28 and 10,991.97

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Solution

The fourth proportional to 35,951.04, 53,936.28 and 10,991.97 is: 16,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,951.04 : 53,936.28 = 10,991.97 : x
  2. Step 2: Convert to fraction form
    35,951.04/53,936.28 = 10,991.97/x
  3. Step 3: Cross multiply
    35,951.04x = 53,936.28 × 10,991.97
  4. Step 4: Simplify right side
    35,951.04x = 592,865,971.67
  5. Step 5: Solve for x
    x = 592,865,971.67/35,951.04
  6. Step 6: Final answer
    x = 16,490.93

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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.