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Finding the Fourth Proportional to 12,482.71, 18,724.03 and 6,236.39

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Solution

The fourth proportional to 12,482.71, 18,724.03 and 6,236.39 is: 9,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.71 : 18,724.03 = 6,236.39 : x
  2. Step 2: Convert to fraction form
    12,482.71/18,724.03 = 6,236.39/x
  3. Step 3: Cross multiply
    12,482.71x = 18,724.03 × 6,236.39
  4. Step 4: Simplify right side
    12,482.71x = 116,770,384.67
  5. Step 5: Solve for x
    x = 116,770,384.67/12,482.71
  6. Step 6: Final answer
    x = 9,354.57

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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.