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Finding the Fourth Proportional to 5,079,807.51, 7,619,414.59 and 3,714,963.67

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Solution

The fourth proportional to 5,079,807.51, 7,619,414.59 and 3,714,963.67 is: 5,572,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079,807.51 : 7,619,414.59 = 3,714,963.67 : x
  2. Step 2: Convert to fraction form
    5,079,807.51/7,619,414.59 = 3,714,963.67/x
  3. Step 3: Cross multiply
    5,079,807.51x = 7,619,414.59 × 3,714,963.67
  4. Step 4: Simplify right side
    5,079,807.51x = 28,305,848,388,517.95
  5. Step 5: Solve for x
    x = 28,305,848,388,517.95/5,079,807.51
  6. Step 6: Final answer
    x = 5,572,228.54

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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.