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Finding the Fourth Proportional to 17,962,920.45, 25,211,861.55 and 17,962,920.45

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Solution

The fourth proportional to 17,962,920.45, 25,211,861.55 and 17,962,920.45 is: 25,211,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,962,920.45 : 25,211,861.55 = 17,962,920.45 : x
  2. Step 2: Convert to fraction form
    17,962,920.45/25,211,861.55 = 17,962,920.45/x
  3. Step 3: Cross multiply
    17,962,920.45x = 25,211,861.55 × 17,962,920.45
  4. Step 4: Simplify right side
    17,962,920.45x = 452,878,663,419,063.69
  5. Step 5: Solve for x
    x = 452,878,663,419,063.69/17,962,920.45
  6. Step 6: Final answer
    x = 25,211,861.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.