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Finding the Fourth Proportional to 55,060.80, 75,996 and 36,199.68

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Solution

The fourth proportional to 55,060.80, 75,996 and 36,199.68 is: 49,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,060.80 : 75,996 = 36,199.68 : x
  2. Step 2: Convert to fraction form
    55,060.80/75,996 = 36,199.68/x
  3. Step 3: Cross multiply
    55,060.80x = 75,996 × 36,199.68
  4. Step 4: Simplify right side
    55,060.80x = 2,751,030,881.28
  5. Step 5: Solve for x
    x = 2,751,030,881.28/55,060.80
  6. Step 6: Final answer
    x = 49,963.51

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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.