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Finding the Fourth Proportional to 6,493,655.38, 8,961,254.88 and 3,593,168.50

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Solution

The fourth proportional to 6,493,655.38, 8,961,254.88 and 3,593,168.50 is: 4,958,578.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493,655.38 : 8,961,254.88 = 3,593,168.50 : x
  2. Step 2: Convert to fraction form
    6,493,655.38/8,961,254.88 = 3,593,168.50/x
  3. Step 3: Cross multiply
    6,493,655.38x = 8,961,254.88 × 3,593,168.50
  4. Step 4: Simplify right side
    6,493,655.38x = 32,199,298,755,287.28
  5. Step 5: Solve for x
    x = 32,199,298,755,287.28/6,493,655.38
  6. Step 6: Final answer
    x = 4,958,578.32

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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.