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Finding the Fourth Proportional to 25,215,815.70, 37,823,723.55 and 25,215,815.70

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Solution

The fourth proportional to 25,215,815.70, 37,823,723.55 and 25,215,815.70 is: 37,823,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215,815.70 : 37,823,723.55 = 25,215,815.70 : x
  2. Step 2: Convert to fraction form
    25,215,815.70/37,823,723.55 = 25,215,815.70/x
  3. Step 3: Cross multiply
    25,215,815.70x = 37,823,723.55 × 25,215,815.70
  4. Step 4: Simplify right side
    25,215,815.70x = 953,756,042,124,549.62
  5. Step 5: Solve for x
    x = 953,756,042,124,549.62/25,215,815.70
  6. Step 6: Final answer
    x = 37,823,723.55

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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.