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Finding the Fourth Proportional to 6,374,538, 8,796,862.64 and 3,512,970

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Solution

The fourth proportional to 6,374,538, 8,796,862.64 and 3,512,970 is: 4,847,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374,538 : 8,796,862.64 = 3,512,970 : x
  2. Step 2: Convert to fraction form
    6,374,538/8,796,862.64 = 3,512,970/x
  3. Step 3: Cross multiply
    6,374,538x = 8,796,862.64 × 3,512,970
  4. Step 4: Simplify right side
    6,374,538x = 30,903,114,548,440.80
  5. Step 5: Solve for x
    x = 30,903,114,548,440.80/6,374,538
  6. Step 6: Final answer
    x = 4,847,898.71

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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.