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Finding the Fourth Proportional to 8,480.62, 11,703.18 and 4,754.62

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Solution

The fourth proportional to 8,480.62, 11,703.18 and 4,754.62 is: 6,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.62 : 11,703.18 = 4,754.62 : x
  2. Step 2: Convert to fraction form
    8,480.62/11,703.18 = 4,754.62/x
  3. Step 3: Cross multiply
    8,480.62x = 11,703.18 × 4,754.62
  4. Step 4: Simplify right side
    8,480.62x = 55,644,173.69
  5. Step 5: Solve for x
    x = 55,644,173.69/8,480.62
  6. Step 6: Final answer
    x = 6,561.33

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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.