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Finding the Fourth Proportional to 9,482.73, 14,218.02 and 3,939.90

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Solution

The fourth proportional to 9,482.73, 14,218.02 and 3,939.90 is: 5,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482.73 : 14,218.02 = 3,939.90 : x
  2. Step 2: Convert to fraction form
    9,482.73/14,218.02 = 3,939.90/x
  3. Step 3: Cross multiply
    9,482.73x = 14,218.02 × 3,939.90
  4. Step 4: Simplify right side
    9,482.73x = 56,017,577.00
  5. Step 5: Solve for x
    x = 56,017,577.00/9,482.73
  6. Step 6: Final answer
    x = 5,907.33

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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.