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Finding the Fourth Proportional to 2,752,573.74, 3,799,932.38 and 1,720,655.54

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Solution

The fourth proportional to 2,752,573.74, 3,799,932.38 and 1,720,655.54 is: 2,375,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,573.74 : 3,799,932.38 = 1,720,655.54 : x
  2. Step 2: Convert to fraction form
    2,752,573.74/3,799,932.38 = 1,720,655.54/x
  3. Step 3: Cross multiply
    2,752,573.74x = 3,799,932.38 × 1,720,655.54
  4. Step 4: Simplify right side
    2,752,573.74x = 6,538,374,701,272.39
  5. Step 5: Solve for x
    x = 6,538,374,701,272.39/2,752,573.74
  6. Step 6: Final answer
    x = 2,375,367.68

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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.