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Finding the Fourth Proportional to 7,252.52, 10,008.44 and 3,940.52

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Solution

The fourth proportional to 7,252.52, 10,008.44 and 3,940.52 is: 5,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252.52 : 10,008.44 = 3,940.52 : x
  2. Step 2: Convert to fraction form
    7,252.52/10,008.44 = 3,940.52/x
  3. Step 3: Cross multiply
    7,252.52x = 10,008.44 × 3,940.52
  4. Step 4: Simplify right side
    7,252.52x = 39,438,457.99
  5. Step 5: Solve for x
    x = 39,438,457.99/7,252.52
  6. Step 6: Final answer
    x = 5,437.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.