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Finding the Fourth Proportional to 7,482.11, 11,222.21 and 4,700.30

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Solution

The fourth proportional to 7,482.11, 11,222.21 and 4,700.30 is: 7,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.11 : 11,222.21 = 4,700.30 : x
  2. Step 2: Convert to fraction form
    7,482.11/11,222.21 = 4,700.30/x
  3. Step 3: Cross multiply
    7,482.11x = 11,222.21 × 4,700.30
  4. Step 4: Simplify right side
    7,482.11x = 52,747,709.30
  5. Step 5: Solve for x
    x = 52,747,709.30/7,482.11
  6. Step 6: Final answer
    x = 7,049.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.