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Finding the Fourth Proportional to 5,954,728.80, 8,932,093.20 and 5,405,573.10

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Solution

The fourth proportional to 5,954,728.80, 8,932,093.20 and 5,405,573.10 is: 8,108,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,954,728.80 : 8,932,093.20 = 5,405,573.10 : x
  2. Step 2: Convert to fraction form
    5,954,728.80/8,932,093.20 = 5,405,573.10/x
  3. Step 3: Cross multiply
    5,954,728.80x = 8,932,093.20 × 5,405,573.10
  4. Step 4: Simplify right side
    5,954,728.80x = 48,283,082,728,612.91
  5. Step 5: Solve for x
    x = 48,283,082,728,612.91/5,954,728.80
  6. Step 6: Final answer
    x = 8,108,359.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.