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Finding the Fourth Proportional to 8,482.73, 12,729.05 and 3,551.95

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Solution

The fourth proportional to 8,482.73, 12,729.05 and 3,551.95 is: 5,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.73 : 12,729.05 = 3,551.95 : x
  2. Step 2: Convert to fraction form
    8,482.73/12,729.05 = 3,551.95/x
  3. Step 3: Cross multiply
    8,482.73x = 12,729.05 × 3,551.95
  4. Step 4: Simplify right side
    8,482.73x = 45,212,960.62
  5. Step 5: Solve for x
    x = 45,212,960.62/8,482.73
  6. Step 6: Final answer
    x = 5,330.00

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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.