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Finding the Fourth Proportional to 5,759,668.93, 8,639,999.52 and 1,499,844.91

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Solution

The fourth proportional to 5,759,668.93, 8,639,999.52 and 1,499,844.91 is: 2,249,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759,668.93 : 8,639,999.52 = 1,499,844.91 : x
  2. Step 2: Convert to fraction form
    5,759,668.93/8,639,999.52 = 1,499,844.91/x
  3. Step 3: Cross multiply
    5,759,668.93x = 8,639,999.52 × 1,499,844.91
  4. Step 4: Simplify right side
    5,759,668.93x = 12,958,659,302,474.44
  5. Step 5: Solve for x
    x = 12,958,659,302,474.44/5,759,668.93
  6. Step 6: Final answer
    x = 2,249,896.56

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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.