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Finding the Fourth Proportional to 17,972,847.70, 26,959,271.55 and 17,133,039.70

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Solution

The fourth proportional to 17,972,847.70, 26,959,271.55 and 17,133,039.70 is: 25,699,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972,847.70 : 26,959,271.55 = 17,133,039.70 : x
  2. Step 2: Convert to fraction form
    17,972,847.70/26,959,271.55 = 17,133,039.70/x
  3. Step 3: Cross multiply
    17,972,847.70x = 26,959,271.55 × 17,133,039.70
  4. Step 4: Simplify right side
    17,972,847.70x = 461,894,269,749,230.50
  5. Step 5: Solve for x
    x = 461,894,269,749,230.50/17,972,847.70
  6. Step 6: Final answer
    x = 25,699,559.55

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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.