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Finding the Fourth Proportional to 5,288,668.48, 7,933,004.48 and 1,450,530.87

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Solution

The fourth proportional to 5,288,668.48, 7,933,004.48 and 1,450,530.87 is: 2,175,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288,668.48 : 7,933,004.48 = 1,450,530.87 : x
  2. Step 2: Convert to fraction form
    5,288,668.48/7,933,004.48 = 1,450,530.87/x
  3. Step 3: Cross multiply
    5,288,668.48x = 7,933,004.48 × 1,450,530.87
  4. Step 4: Simplify right side
    5,288,668.48x = 11,507,067,890,088.30
  5. Step 5: Solve for x
    x = 11,507,067,890,088.30/5,288,668.48
  6. Step 6: Final answer
    x = 2,175,796.79

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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.