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Finding the Fourth Proportional to 2,539.53, 3,809.30 and 895.69

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Solution

The fourth proportional to 2,539.53, 3,809.30 and 895.69 is: 1,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.53 : 3,809.30 = 895.69 : x
  2. Step 2: Convert to fraction form
    2,539.53/3,809.30 = 895.69/x
  3. Step 3: Cross multiply
    2,539.53x = 3,809.30 × 895.69
  4. Step 4: Simplify right side
    2,539.53x = 3,411,951.92
  5. Step 5: Solve for x
    x = 3,411,951.92/2,539.53
  6. Step 6: Final answer
    x = 1,343.54

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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.