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Finding the Fourth Proportional to 6,448.59, 9,672.03 and 2,934.81

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Solution

The fourth proportional to 6,448.59, 9,672.03 and 2,934.81 is: 4,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.59 : 9,672.03 = 2,934.81 : x
  2. Step 2: Convert to fraction form
    6,448.59/9,672.03 = 2,934.81/x
  3. Step 3: Cross multiply
    6,448.59x = 9,672.03 × 2,934.81
  4. Step 4: Simplify right side
    6,448.59x = 28,385,570.36
  5. Step 5: Solve for x
    x = 28,385,570.36/6,448.59
  6. Step 6: Final answer
    x = 4,401.83

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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.