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Finding the Fourth Proportional to 6,297,898.72, 8,690,820.63 and 3,507,165.92

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Solution

The fourth proportional to 6,297,898.72, 8,690,820.63 and 3,507,165.92 is: 4,839,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297,898.72 : 8,690,820.63 = 3,507,165.92 : x
  2. Step 2: Convert to fraction form
    6,297,898.72/8,690,820.63 = 3,507,165.92/x
  3. Step 3: Cross multiply
    6,297,898.72x = 8,690,820.63 × 3,507,165.92
  4. Step 4: Simplify right side
    6,297,898.72x = 30,480,149,930,368.93
  5. Step 5: Solve for x
    x = 30,480,149,930,368.93/6,297,898.72
  6. Step 6: Final answer
    x = 4,839,733.27

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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.