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Finding the Fourth Proportional to 7,713.03, 11,574.17 and 3,330.48

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Solution

The fourth proportional to 7,713.03, 11,574.17 and 3,330.48 is: 4,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.03 : 11,574.17 = 3,330.48 : x
  2. Step 2: Convert to fraction form
    7,713.03/11,574.17 = 3,330.48/x
  3. Step 3: Cross multiply
    7,713.03x = 11,574.17 × 3,330.48
  4. Step 4: Simplify right side
    7,713.03x = 38,547,525.05
  5. Step 5: Solve for x
    x = 38,547,525.05/7,713.03
  6. Step 6: Final answer
    x = 4,997.71

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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.