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Finding the Fourth Proportional to 7,453.92, 11,166.48 and 5,809.92

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Solution

The fourth proportional to 7,453.92, 11,166.48 and 5,809.92 is: 8,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.92 : 11,166.48 = 5,809.92 : x
  2. Step 2: Convert to fraction form
    7,453.92/11,166.48 = 5,809.92/x
  3. Step 3: Cross multiply
    7,453.92x = 11,166.48 × 5,809.92
  4. Step 4: Simplify right side
    7,453.92x = 64,876,355.48
  5. Step 5: Solve for x
    x = 64,876,355.48/7,453.92
  6. Step 6: Final answer
    x = 8,703.66

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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.