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Finding the Fourth Proportional to 7,659.99, 11,484.51 and 3,275.06

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Solution

The fourth proportional to 7,659.99, 11,484.51 and 3,275.06 is: 4,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.99 : 11,484.51 = 3,275.06 : x
  2. Step 2: Convert to fraction form
    7,659.99/11,484.51 = 3,275.06/x
  3. Step 3: Cross multiply
    7,659.99x = 11,484.51 × 3,275.06
  4. Step 4: Simplify right side
    7,659.99x = 37,612,401.90
  5. Step 5: Solve for x
    x = 37,612,401.90/7,659.99
  6. Step 6: Final answer
    x = 4,910.24

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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.