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Finding the Fourth Proportional to 4,839,874.74, 7,259,814.54 and 1,996,862.22

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Solution

The fourth proportional to 4,839,874.74, 7,259,814.54 and 1,996,862.22 is: 2,995,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839,874.74 : 7,259,814.54 = 1,996,862.22 : x
  2. Step 2: Convert to fraction form
    4,839,874.74/7,259,814.54 = 1,996,862.22/x
  3. Step 3: Cross multiply
    4,839,874.74x = 7,259,814.54 × 1,996,862.22
  4. Step 4: Simplify right side
    4,839,874.74x = 14,496,849,379,132.68
  5. Step 5: Solve for x
    x = 14,496,849,379,132.68/4,839,874.74
  6. Step 6: Final answer
    x = 2,995,294.33

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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.