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Finding the Fourth Proportional to 5,292,398.32, 7,939,021.83 and 2,011,324.65

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Solution

The fourth proportional to 5,292,398.32, 7,939,021.83 and 2,011,324.65 is: 3,017,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292,398.32 : 7,939,021.83 = 2,011,324.65 : x
  2. Step 2: Convert to fraction form
    5,292,398.32/7,939,021.83 = 2,011,324.65/x
  3. Step 3: Cross multiply
    5,292,398.32x = 7,939,021.83 × 2,011,324.65
  4. Step 4: Simplify right side
    5,292,398.32x = 15,967,950,263,872
  5. Step 5: Solve for x
    x = 15,967,950,263,872/5,292,398.32
  6. Step 6: Final answer
    x = 3,017,148.24

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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.