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Finding the Fourth Proportional to 55,075.11, 76,004.78 and 29,926.23

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Solution

The fourth proportional to 55,075.11, 76,004.78 and 29,926.23 is: 41,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,075.11 : 76,004.78 = 29,926.23 : x
  2. Step 2: Convert to fraction form
    55,075.11/76,004.78 = 29,926.23/x
  3. Step 3: Cross multiply
    55,075.11x = 76,004.78 × 29,926.23
  4. Step 4: Simplify right side
    55,075.11x = 2,274,536,527.38
  5. Step 5: Solve for x
    x = 2,274,536,527.38/55,075.11
  6. Step 6: Final answer
    x = 41,298.81

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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.