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Finding the Fourth Proportional to 29,384.72, 44,079.88 and 8,325.20

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Solution

The fourth proportional to 29,384.72, 44,079.88 and 8,325.20 is: 12,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,384.72 : 44,079.88 = 8,325.20 : x
  2. Step 2: Convert to fraction form
    29,384.72/44,079.88 = 8,325.20/x
  3. Step 3: Cross multiply
    29,384.72x = 44,079.88 × 8,325.20
  4. Step 4: Simplify right side
    29,384.72x = 366,973,816.98
  5. Step 5: Solve for x
    x = 366,973,816.98/29,384.72
  6. Step 6: Final answer
    x = 12,488.59

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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.