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Finding the Fourth Proportional to 3,912,057.34, 5,867,421.66 and 1,033,455.49

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Solution

The fourth proportional to 3,912,057.34, 5,867,421.66 and 1,033,455.49 is: 1,550,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,057.34 : 5,867,421.66 = 1,033,455.49 : x
  2. Step 2: Convert to fraction form
    3,912,057.34/5,867,421.66 = 1,033,455.49/x
  3. Step 3: Cross multiply
    3,912,057.34x = 5,867,421.66 × 1,033,455.49
  4. Step 4: Simplify right side
    3,912,057.34x = 6,063,719,112,003.36
  5. Step 5: Solve for x
    x = 6,063,719,112,003.36/3,912,057.34
  6. Step 6: Final answer
    x = 1,550,007.73

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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.