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Finding the Fourth Proportional to 8,730.33, 12,049.10 and 4,954.43

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Solution

The fourth proportional to 8,730.33, 12,049.10 and 4,954.43 is: 6,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.33 : 12,049.10 = 4,954.43 : x
  2. Step 2: Convert to fraction form
    8,730.33/12,049.10 = 4,954.43/x
  3. Step 3: Cross multiply
    8,730.33x = 12,049.10 × 4,954.43
  4. Step 4: Simplify right side
    8,730.33x = 59,696,422.51
  5. Step 5: Solve for x
    x = 59,696,422.51/8,730.33
  6. Step 6: Final answer
    x = 6,837.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.