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Finding the Fourth Proportional to 8,733,992.72, 13,103,347.79 and 2,668,559.06

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Solution

The fourth proportional to 8,733,992.72, 13,103,347.79 and 2,668,559.06 is: 4,003,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733,992.72 : 13,103,347.79 = 2,668,559.06 : x
  2. Step 2: Convert to fraction form
    8,733,992.72/13,103,347.79 = 2,668,559.06/x
  3. Step 3: Cross multiply
    8,733,992.72x = 13,103,347.79 × 2,668,559.06
  4. Step 4: Simplify right side
    8,733,992.72x = 34,967,057,451,627.69
  5. Step 5: Solve for x
    x = 34,967,057,451,627.69/8,733,992.72
  6. Step 6: Final answer
    x = 4,003,559.26

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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.