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Finding the Fourth Proportional to 4,917.01, 6,780.09 and 4,450.45

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Solution

The fourth proportional to 4,917.01, 6,780.09 and 4,450.45 is: 6,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.01 : 6,780.09 = 4,450.45 : x
  2. Step 2: Convert to fraction form
    4,917.01/6,780.09 = 4,450.45/x
  3. Step 3: Cross multiply
    4,917.01x = 6,780.09 × 4,450.45
  4. Step 4: Simplify right side
    4,917.01x = 30,174,451.54
  5. Step 5: Solve for x
    x = 30,174,451.54/4,917.01
  6. Step 6: Final answer
    x = 6,136.75

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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.