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Finding the Fourth Proportional to 27,013.16, 40,521 and 8,292.44

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Solution

The fourth proportional to 27,013.16, 40,521 and 8,292.44 is: 12,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.16 : 40,521 = 8,292.44 : x
  2. Step 2: Convert to fraction form
    27,013.16/40,521 = 8,292.44/x
  3. Step 3: Cross multiply
    27,013.16x = 40,521 × 8,292.44
  4. Step 4: Simplify right side
    27,013.16x = 336,017,961.24
  5. Step 5: Solve for x
    x = 336,017,961.24/27,013.16
  6. Step 6: Final answer
    x = 12,439.05

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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.