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Finding the Fourth Proportional to 55,791.29, 76,953.77 and 35,639.22

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Solution

The fourth proportional to 55,791.29, 76,953.77 and 35,639.22 is: 49,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,791.29 : 76,953.77 = 35,639.22 : x
  2. Step 2: Convert to fraction form
    55,791.29/76,953.77 = 35,639.22/x
  3. Step 3: Cross multiply
    55,791.29x = 76,953.77 × 35,639.22
  4. Step 4: Simplify right side
    55,791.29x = 2,742,572,338.86
  5. Step 5: Solve for x
    x = 2,742,572,338.86/55,791.29
  6. Step 6: Final answer
    x = 49,157.72

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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.