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Finding the Fourth Proportional to 3,743,864.74, 5,615,797.11 and 1,347,656.32

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Solution

The fourth proportional to 3,743,864.74, 5,615,797.11 and 1,347,656.32 is: 2,021,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743,864.74 : 5,615,797.11 = 1,347,656.32 : x
  2. Step 2: Convert to fraction form
    3,743,864.74/5,615,797.11 = 1,347,656.32/x
  3. Step 3: Cross multiply
    3,743,864.74x = 5,615,797.11 × 1,347,656.32
  4. Step 4: Simplify right side
    3,743,864.74x = 7,568,164,467,129.24
  5. Step 5: Solve for x
    x = 7,568,164,467,129.24/3,743,864.74
  6. Step 6: Final answer
    x = 2,021,484.48

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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.