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Finding the Fourth Proportional to 5,208.70, 7,182.55 and 3,437.98

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Solution

The fourth proportional to 5,208.70, 7,182.55 and 3,437.98 is: 4,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.70 : 7,182.55 = 3,437.98 : x
  2. Step 2: Convert to fraction form
    5,208.70/7,182.55 = 3,437.98/x
  3. Step 3: Cross multiply
    5,208.70x = 7,182.55 × 3,437.98
  4. Step 4: Simplify right side
    5,208.70x = 24,693,463.25
  5. Step 5: Solve for x
    x = 24,693,463.25/5,208.70
  6. Step 6: Final answer
    x = 4,740.81

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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.