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Finding the Fourth Proportional to 7,455.98, 10,290.22 and 4,811.08

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Solution

The fourth proportional to 7,455.98, 10,290.22 and 4,811.08 is: 6,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.98 : 10,290.22 = 4,811.08 : x
  2. Step 2: Convert to fraction form
    7,455.98/10,290.22 = 4,811.08/x
  3. Step 3: Cross multiply
    7,455.98x = 10,290.22 × 4,811.08
  4. Step 4: Simplify right side
    7,455.98x = 49,507,033.88
  5. Step 5: Solve for x
    x = 49,507,033.88/7,455.98
  6. Step 6: Final answer
    x = 6,639.91

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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.