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Finding the Fourth Proportional to 6,493,817.25, 8,961,410.07 and 3,880,179.41

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Solution

The fourth proportional to 6,493,817.25, 8,961,410.07 and 3,880,179.41 is: 5,354,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493,817.25 : 8,961,410.07 = 3,880,179.41 : x
  2. Step 2: Convert to fraction form
    6,493,817.25/8,961,410.07 = 3,880,179.41/x
  3. Step 3: Cross multiply
    6,493,817.25x = 8,961,410.07 × 3,880,179.41
  4. Step 4: Simplify right side
    6,493,817.25x = 34,771,878,793,373.61
  5. Step 5: Solve for x
    x = 34,771,878,793,373.61/6,493,817.25
  6. Step 6: Final answer
    x = 5,354,613.08

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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.