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Finding the Fourth Proportional to 3,242.73, 4,473.16 and 2,125.47

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Solution

The fourth proportional to 3,242.73, 4,473.16 and 2,125.47 is: 2,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.73 : 4,473.16 = 2,125.47 : x
  2. Step 2: Convert to fraction form
    3,242.73/4,473.16 = 2,125.47/x
  3. Step 3: Cross multiply
    3,242.73x = 4,473.16 × 2,125.47
  4. Step 4: Simplify right side
    3,242.73x = 9,507,567.39
  5. Step 5: Solve for x
    x = 9,507,567.39/3,242.73
  6. Step 6: Final answer
    x = 2,931.96

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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.