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Finding the Fourth Proportional to 3,360.53, 5,040.86 and 895.70

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Solution

The fourth proportional to 3,360.53, 5,040.86 and 895.70 is: 1,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.53 : 5,040.86 = 895.70 : x
  2. Step 2: Convert to fraction form
    3,360.53/5,040.86 = 895.70/x
  3. Step 3: Cross multiply
    3,360.53x = 5,040.86 × 895.70
  4. Step 4: Simplify right side
    3,360.53x = 4,515,098.30
  5. Step 5: Solve for x
    x = 4,515,098.30/3,360.53
  6. Step 6: Final answer
    x = 1,343.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.