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Finding the Fourth Proportional to 7,007.88, 10,511.82 and 2,901

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Solution

The fourth proportional to 7,007.88, 10,511.82 and 2,901 is: 4,351.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.88 : 10,511.82 = 2,901 : x
  2. Step 2: Convert to fraction form
    7,007.88/10,511.82 = 2,901/x
  3. Step 3: Cross multiply
    7,007.88x = 10,511.82 × 2,901
  4. Step 4: Simplify right side
    7,007.88x = 30,494,789.82
  5. Step 5: Solve for x
    x = 30,494,789.82/7,007.88
  6. Step 6: Final answer
    x = 4,351.50

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1.5x scale

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.