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Finding the Fourth Proportional to 29,943.56, 44,907.67 and 8,878.69

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Solution

The fourth proportional to 29,943.56, 44,907.67 and 8,878.69 is: 13,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,943.56 : 44,907.67 = 8,878.69 : x
  2. Step 2: Convert to fraction form
    29,943.56/44,907.67 = 8,878.69/x
  3. Step 3: Cross multiply
    29,943.56x = 44,907.67 × 8,878.69
  4. Step 4: Simplify right side
    29,943.56x = 398,721,011.62
  5. Step 5: Solve for x
    x = 398,721,011.62/29,943.56
  6. Step 6: Final answer
    x = 13,315.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.