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Finding the Fourth Proportional to 8,839,792.20, 13,252,689.90 and 4,850,704.20

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Solution

The fourth proportional to 8,839,792.20, 13,252,689.90 and 4,850,704.20 is: 7,272,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839,792.20 : 13,252,689.90 = 4,850,704.20 : x
  2. Step 2: Convert to fraction form
    8,839,792.20/13,252,689.90 = 4,850,704.20/x
  3. Step 3: Cross multiply
    8,839,792.20x = 13,252,689.90 × 4,850,704.20
  4. Step 4: Simplify right side
    8,839,792.20x = 64,284,878,559,227.59
  5. Step 5: Solve for x
    x = 64,284,878,559,227.59/8,839,792.20
  6. Step 6: Final answer
    x = 7,272,216.03

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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.