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Finding the Fourth Proportional to 4,752.25, 7,122.09 and 3,440.39

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Solution

The fourth proportional to 4,752.25, 7,122.09 and 3,440.39 is: 5,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.25 : 7,122.09 = 3,440.39 : x
  2. Step 2: Convert to fraction form
    4,752.25/7,122.09 = 3,440.39/x
  3. Step 3: Cross multiply
    4,752.25x = 7,122.09 × 3,440.39
  4. Step 4: Simplify right side
    4,752.25x = 24,502,767.22
  5. Step 5: Solve for x
    x = 24,502,767.22/4,752.25
  6. Step 6: Final answer
    x = 5,156.03

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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.