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Finding the Fourth Proportional to 3,892,562.51, 5,839,002.81 and 1,335,535.80

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Solution

The fourth proportional to 3,892,562.51, 5,839,002.81 and 1,335,535.80 is: 2,003,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,562.51 : 5,839,002.81 = 1,335,535.80 : x
  2. Step 2: Convert to fraction form
    3,892,562.51/5,839,002.81 = 1,335,535.80/x
  3. Step 3: Cross multiply
    3,892,562.51x = 5,839,002.81 × 1,335,535.80
  4. Step 4: Simplify right side
    3,892,562.51x = 7,798,197,289,055.60
  5. Step 5: Solve for x
    x = 7,798,197,289,055.60/3,892,562.51
  6. Step 6: Final answer
    x = 2,003,358.27

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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.