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Finding the Fourth Proportional to 7,553.70, 11,309.25 and 5,698.92

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Solution

The fourth proportional to 7,553.70, 11,309.25 and 5,698.92 is: 8,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.70 : 11,309.25 = 5,698.92 : x
  2. Step 2: Convert to fraction form
    7,553.70/11,309.25 = 5,698.92/x
  3. Step 3: Cross multiply
    7,553.70x = 11,309.25 × 5,698.92
  4. Step 4: Simplify right side
    7,553.70x = 64,450,511.01
  5. Step 5: Solve for x
    x = 64,450,511.01/7,553.70
  6. Step 6: Final answer
    x = 8,532.31

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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.