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Finding the Fourth Proportional to 3,898,958.07, 5,851,310.69 and 1,849,625.07

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Solution

The fourth proportional to 3,898,958.07, 5,851,310.69 and 1,849,625.07 is: 2,775,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,958.07 : 5,851,310.69 = 1,849,625.07 : x
  2. Step 2: Convert to fraction form
    3,898,958.07/5,851,310.69 = 1,849,625.07/x
  3. Step 3: Cross multiply
    3,898,958.07x = 5,851,310.69 × 1,849,625.07
  4. Step 4: Simplify right side
    3,898,958.07x = 10,822,730,944,583
  5. Step 5: Solve for x
    x = 10,822,730,944,583/3,898,958.07
  6. Step 6: Final answer
    x = 2,775,800.80

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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.