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Finding the Fourth Proportional to 52,911.84, 73,018.89 and 29,040.06

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Solution

The fourth proportional to 52,911.84, 73,018.89 and 29,040.06 is: 40,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,911.84 : 73,018.89 = 29,040.06 : x
  2. Step 2: Convert to fraction form
    52,911.84/73,018.89 = 29,040.06/x
  3. Step 3: Cross multiply
    52,911.84x = 73,018.89 × 29,040.06
  4. Step 4: Simplify right side
    52,911.84x = 2,120,472,946.73
  5. Step 5: Solve for x
    x = 2,120,472,946.73/52,911.84
  6. Step 6: Final answer
    x = 40,075.59

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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.