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Finding the Fourth Proportional to 7,207.95, 9,942.88 and 4,550.74

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Solution

The fourth proportional to 7,207.95, 9,942.88 and 4,550.74 is: 6,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.95 : 9,942.88 = 4,550.74 : x
  2. Step 2: Convert to fraction form
    7,207.95/9,942.88 = 4,550.74/x
  3. Step 3: Cross multiply
    7,207.95x = 9,942.88 × 4,550.74
  4. Step 4: Simplify right side
    7,207.95x = 45,247,461.73
  5. Step 5: Solve for x
    x = 45,247,461.73/7,207.95
  6. Step 6: Final answer
    x = 6,277.44

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