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Finding the Fourth Proportional to 9,469.70, 13,056.03 and 6,480.39

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Solution

The fourth proportional to 9,469.70, 13,056.03 and 6,480.39 is: 8,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.70 : 13,056.03 = 6,480.39 : x
  2. Step 2: Convert to fraction form
    9,469.70/13,056.03 = 6,480.39/x
  3. Step 3: Cross multiply
    9,469.70x = 13,056.03 × 6,480.39
  4. Step 4: Simplify right side
    9,469.70x = 84,608,166.25
  5. Step 5: Solve for x
    x = 84,608,166.25/9,469.70
  6. Step 6: Final answer
    x = 8,934.62

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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.