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Finding the Fourth Proportional to 55,060.56, 75,982.02 and 29,910.06

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Solution

The fourth proportional to 55,060.56, 75,982.02 and 29,910.06 is: 41,275.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,060.56 : 75,982.02 = 29,910.06 : x
  2. Step 2: Convert to fraction form
    55,060.56/75,982.02 = 29,910.06/x
  3. Step 3: Cross multiply
    55,060.56x = 75,982.02 × 29,910.06
  4. Step 4: Simplify right side
    55,060.56x = 2,272,626,777.12
  5. Step 5: Solve for x
    x = 2,272,626,777.12/55,060.56
  6. Step 6: Final answer
    x = 41,275.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.