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Finding the Fourth Proportional to 7,072, 10,533.30 and 6,701.92

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Solution

The fourth proportional to 7,072, 10,533.30 and 6,701.92 is: 9,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072 : 10,533.30 = 6,701.92 : x
  2. Step 2: Convert to fraction form
    7,072/10,533.30 = 6,701.92/x
  3. Step 3: Cross multiply
    7,072x = 10,533.30 × 6,701.92
  4. Step 4: Simplify right side
    7,072x = 70,593,333.94
  5. Step 5: Solve for x
    x = 70,593,333.94/7,072
  6. Step 6: Final answer
    x = 9,982.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.