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Finding the Fourth Proportional to 29,428.65, 44,140.41 and 8,367.84

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Solution

The fourth proportional to 29,428.65, 44,140.41 and 8,367.84 is: 12,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.65 : 44,140.41 = 8,367.84 : x
  2. Step 2: Convert to fraction form
    29,428.65/44,140.41 = 8,367.84/x
  3. Step 3: Cross multiply
    29,428.65x = 44,140.41 × 8,367.84
  4. Step 4: Simplify right side
    29,428.65x = 369,359,888.41
  5. Step 5: Solve for x
    x = 369,359,888.41/29,428.65
  6. Step 6: Final answer
    x = 12,551.03

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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.