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Finding the Fourth Proportional to 7,072.48, 9,764.52 and 4,838.08

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Solution

The fourth proportional to 7,072.48, 9,764.52 and 4,838.08 is: 6,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.48 : 9,764.52 = 4,838.08 : x
  2. Step 2: Convert to fraction form
    7,072.48/9,764.52 = 4,838.08/x
  3. Step 3: Cross multiply
    7,072.48x = 9,764.52 × 4,838.08
  4. Step 4: Simplify right side
    7,072.48x = 47,241,528.92
  5. Step 5: Solve for x
    x = 47,241,528.92/7,072.48
  6. Step 6: Final answer
    x = 6,679.63

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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.