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Finding the Fourth Proportional to 5,273.58, 7,278.26 and 3,035.40

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Solution

The fourth proportional to 5,273.58, 7,278.26 and 3,035.40 is: 4,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.58 : 7,278.26 = 3,035.40 : x
  2. Step 2: Convert to fraction form
    5,273.58/7,278.26 = 3,035.40/x
  3. Step 3: Cross multiply
    5,273.58x = 7,278.26 × 3,035.40
  4. Step 4: Simplify right side
    5,273.58x = 22,092,430.40
  5. Step 5: Solve for x
    x = 22,092,430.40/5,273.58
  6. Step 6: Final answer
    x = 4,189.27

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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.