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Finding the Fourth Proportional to 3,598,765.86, 4,966,297.08 and 1,967,179.68

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Solution

The fourth proportional to 3,598,765.86, 4,966,297.08 and 1,967,179.68 is: 2,714,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598,765.86 : 4,966,297.08 = 1,967,179.68 : x
  2. Step 2: Convert to fraction form
    3,598,765.86/4,966,297.08 = 1,967,179.68/x
  3. Step 3: Cross multiply
    3,598,765.86x = 4,966,297.08 × 1,967,179.68
  4. Step 4: Simplify right side
    3,598,765.86x = 9,769,598,700,619.33
  5. Step 5: Solve for x
    x = 9,769,598,700,619.33/3,598,765.86
  6. Step 6: Final answer
    x = 2,714,708.06

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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.