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Finding the Fourth Proportional to 7,008.73, 9,670.29 and 3,983.99

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Solution

The fourth proportional to 7,008.73, 9,670.29 and 3,983.99 is: 5,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.73 : 9,670.29 = 3,983.99 : x
  2. Step 2: Convert to fraction form
    7,008.73/9,670.29 = 3,983.99/x
  3. Step 3: Cross multiply
    7,008.73x = 9,670.29 × 3,983.99
  4. Step 4: Simplify right side
    7,008.73x = 38,526,275.37
  5. Step 5: Solve for x
    x = 38,526,275.37/7,008.73
  6. Step 6: Final answer
    x = 5,496.90

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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.