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Finding the Fourth Proportional to 27,044.31, 40,570.31 and 8,325.90

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Solution

The fourth proportional to 27,044.31, 40,570.31 and 8,325.90 is: 12,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,044.31 : 40,570.31 = 8,325.90 : x
  2. Step 2: Convert to fraction form
    27,044.31/40,570.31 = 8,325.90/x
  3. Step 3: Cross multiply
    27,044.31x = 40,570.31 × 8,325.90
  4. Step 4: Simplify right side
    27,044.31x = 337,784,302.40
  5. Step 5: Solve for x
    x = 337,784,302.40/27,044.31
  6. Step 6: Final answer
    x = 12,490.03

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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.