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Finding the Fourth Proportional to 1,895,249.88, 2,855,661.75 and 1,565,673.80

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Solution

The fourth proportional to 1,895,249.88, 2,855,661.75 and 1,565,673.80 is: 2,359,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,249.88 : 2,855,661.75 = 1,565,673.80 : x
  2. Step 2: Convert to fraction form
    1,895,249.88/2,855,661.75 = 1,565,673.80/x
  3. Step 3: Cross multiply
    1,895,249.88x = 2,855,661.75 × 1,565,673.80
  4. Step 4: Simplify right side
    1,895,249.88x = 4,471,034,783,637.15
  5. Step 5: Solve for x
    x = 4,471,034,783,637.15/1,895,249.88
  6. Step 6: Final answer
    x = 2,359,074.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.