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Finding the Fourth Proportional to 10,756.70, 16,134.48 and 3,360.32

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Solution

The fourth proportional to 10,756.70, 16,134.48 and 3,360.32 is: 5,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.70 : 16,134.48 = 3,360.32 : x
  2. Step 2: Convert to fraction form
    10,756.70/16,134.48 = 3,360.32/x
  3. Step 3: Cross multiply
    10,756.70x = 16,134.48 × 3,360.32
  4. Step 4: Simplify right side
    10,756.70x = 54,217,015.83
  5. Step 5: Solve for x
    x = 54,217,015.83/10,756.70
  6. Step 6: Final answer
    x = 5,040.30

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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.