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Finding the Fourth Proportional to 4,980.42, 7,471.71 and 1,693.71

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Solution

The fourth proportional to 4,980.42, 7,471.71 and 1,693.71 is: 2,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.42 : 7,471.71 = 1,693.71 : x
  2. Step 2: Convert to fraction form
    4,980.42/7,471.71 = 1,693.71/x
  3. Step 3: Cross multiply
    4,980.42x = 7,471.71 × 1,693.71
  4. Step 4: Simplify right side
    4,980.42x = 12,654,909.94
  5. Step 5: Solve for x
    x = 12,654,909.94/4,980.42
  6. Step 6: Final answer
    x = 2,540.93

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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.