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Finding the Fourth Proportional to 5,181.70, 7,763.40 and 5,010.40

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Solution

The fourth proportional to 5,181.70, 7,763.40 and 5,010.40 is: 7,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.70 : 7,763.40 = 5,010.40 : x
  2. Step 2: Convert to fraction form
    5,181.70/7,763.40 = 5,010.40/x
  3. Step 3: Cross multiply
    5,181.70x = 7,763.40 × 5,010.40
  4. Step 4: Simplify right side
    5,181.70x = 38,897,739.36
  5. Step 5: Solve for x
    x = 38,897,739.36/5,181.70
  6. Step 6: Final answer
    x = 7,506.75

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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.