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Finding the Fourth Proportional to 52,913.24, 73,020.04 and 29,040.31

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Solution

The fourth proportional to 52,913.24, 73,020.04 and 29,040.31 is: 40,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,913.24 : 73,020.04 = 29,040.31 : x
  2. Step 2: Convert to fraction form
    52,913.24/73,020.04 = 29,040.31/x
  3. Step 3: Cross multiply
    52,913.24x = 73,020.04 × 29,040.31
  4. Step 4: Simplify right side
    52,913.24x = 2,120,524,597.81
  5. Step 5: Solve for x
    x = 2,120,524,597.81/52,913.24
  6. Step 6: Final answer
    x = 40,075.50

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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.