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Finding the Fourth Proportional to 8,349.52, 11,503.79 and 5,511.84

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Solution

The fourth proportional to 8,349.52, 11,503.79 and 5,511.84 is: 7,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.52 : 11,503.79 = 5,511.84 : x
  2. Step 2: Convert to fraction form
    8,349.52/11,503.79 = 5,511.84/x
  3. Step 3: Cross multiply
    8,349.52x = 11,503.79 × 5,511.84
  4. Step 4: Simplify right side
    8,349.52x = 63,407,049.87
  5. Step 5: Solve for x
    x = 63,407,049.87/8,349.52
  6. Step 6: Final answer
    x = 7,594.10

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1.5x scale

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.