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Finding the Fourth Proportional to 3,842,804.75, 5,764,115.25 and 1,249,106.27

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Solution

The fourth proportional to 3,842,804.75, 5,764,115.25 and 1,249,106.27 is: 1,873,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,804.75 : 5,764,115.25 = 1,249,106.27 : x
  2. Step 2: Convert to fraction form
    3,842,804.75/5,764,115.25 = 1,249,106.27/x
  3. Step 3: Cross multiply
    3,842,804.75x = 5,764,115.25 × 1,249,106.27
  4. Step 4: Simplify right side
    3,842,804.75x = 7,199,992,470,957.04
  5. Step 5: Solve for x
    x = 7,199,992,470,957.04/3,842,804.75
  6. Step 6: Final answer
    x = 1,873,629.54

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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.