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Finding the Fourth Proportional to 27,656,862.90, 41,405,578.20 and 27,656,862.90

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Solution

The fourth proportional to 27,656,862.90, 41,405,578.20 and 27,656,862.90 is: 41,405,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656,862.90 : 41,405,578.20 = 27,656,862.90 : x
  2. Step 2: Convert to fraction form
    27,656,862.90/41,405,578.20 = 27,656,862.90/x
  3. Step 3: Cross multiply
    27,656,862.90x = 41,405,578.20 × 27,656,862.90
  4. Step 4: Simplify right side
    27,656,862.90x = 1,145,148,399,572,628.75
  5. Step 5: Solve for x
    x = 1,145,148,399,572,628.75/27,656,862.90
  6. Step 6: Final answer
    x = 41,405,578.20

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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.