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Finding the Fourth Proportional to 6,489,612.06, 8,954,669.81 and 3,735,767.40

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Solution

The fourth proportional to 6,489,612.06, 8,954,669.81 and 3,735,767.40 is: 5,154,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489,612.06 : 8,954,669.81 = 3,735,767.40 : x
  2. Step 2: Convert to fraction form
    6,489,612.06/8,954,669.81 = 3,735,767.40/x
  3. Step 3: Cross multiply
    6,489,612.06x = 8,954,669.81 × 3,735,767.40
  4. Step 4: Simplify right side
    6,489,612.06x = 33,452,563,509,188.85
  5. Step 5: Solve for x
    x = 33,452,563,509,188.85/6,489,612.06
  6. Step 6: Final answer
    x = 5,154,786.33

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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.