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Finding the Fourth Proportional to 5,959,391.76, 8,225,693.60 and 3,894,717.92

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Solution

The fourth proportional to 5,959,391.76, 8,225,693.60 and 3,894,717.92 is: 5,375,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959,391.76 : 8,225,693.60 = 3,894,717.92 : x
  2. Step 2: Convert to fraction form
    5,959,391.76/8,225,693.60 = 3,894,717.92/x
  3. Step 3: Cross multiply
    5,959,391.76x = 8,225,693.60 × 3,894,717.92
  4. Step 4: Simplify right side
    5,959,391.76x = 32,036,756,268,349.31
  5. Step 5: Solve for x
    x = 32,036,756,268,349.31/5,959,391.76
  6. Step 6: Final answer
    x = 5,375,843.30

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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.