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Finding the Fourth Proportional to 6,418,373.36, 8,856,953.72 and 3,517,558.48

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Solution

The fourth proportional to 6,418,373.36, 8,856,953.72 and 3,517,558.48 is: 4,854,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,373.36 : 8,856,953.72 = 3,517,558.48 : x
  2. Step 2: Convert to fraction form
    6,418,373.36/8,856,953.72 = 3,517,558.48/x
  3. Step 3: Cross multiply
    6,418,373.36x = 8,856,953.72 × 3,517,558.48
  4. Step 4: Simplify right side
    6,418,373.36x = 31,154,852,664,753.55
  5. Step 5: Solve for x
    x = 31,154,852,664,753.55/6,418,373.36
  6. Step 6: Final answer
    x = 4,854,010.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.