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Finding the Fourth Proportional to 22,698,928.80, 34,042,402.80 and 11,330,992.80

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Solution

The fourth proportional to 22,698,928.80, 34,042,402.80 and 11,330,992.80 is: 16,993,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,698,928.80 : 34,042,402.80 = 11,330,992.80 : x
  2. Step 2: Convert to fraction form
    22,698,928.80/34,042,402.80 = 11,330,992.80/x
  3. Step 3: Cross multiply
    22,698,928.80x = 34,042,402.80 × 11,330,992.80
  4. Step 4: Simplify right side
    22,698,928.80x = 385,734,221,021,499.81
  5. Step 5: Solve for x
    x = 385,734,221,021,499.81/22,698,928.80
  6. Step 6: Final answer
    x = 16,993,498.87

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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.