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Finding the Fourth Proportional to 7,540.30, 11,310.27 and 2,923.30

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Solution

The fourth proportional to 7,540.30, 11,310.27 and 2,923.30 is: 4,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.30 : 11,310.27 = 2,923.30 : x
  2. Step 2: Convert to fraction form
    7,540.30/11,310.27 = 2,923.30/x
  3. Step 3: Cross multiply
    7,540.30x = 11,310.27 × 2,923.30
  4. Step 4: Simplify right side
    7,540.30x = 33,063,312.29
  5. Step 5: Solve for x
    x = 33,063,312.29/7,540.30
  6. Step 6: Final answer
    x = 4,384.88

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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.