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Finding the Fourth Proportional to 8,508,374.36, 11,741,593.56 and 4,640,978.60

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Solution

The fourth proportional to 8,508,374.36, 11,741,593.56 and 4,640,978.60 is: 6,404,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,374.36 : 11,741,593.56 = 4,640,978.60 : x
  2. Step 2: Convert to fraction form
    8,508,374.36/11,741,593.56 = 4,640,978.60/x
  3. Step 3: Cross multiply
    8,508,374.36x = 11,741,593.56 × 4,640,978.60
  4. Step 4: Simplify right side
    8,508,374.36x = 54,492,484,441,857.81
  5. Step 5: Solve for x
    x = 54,492,484,441,857.81/8,508,374.36
  6. Step 6: Final answer
    x = 6,404,570.62

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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.