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Finding the Fourth Proportional to 19,486,578.10, 27,325,999.10 and 19,486,578.10

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Solution

The fourth proportional to 19,486,578.10, 27,325,999.10 and 19,486,578.10 is: 27,325,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486,578.10 : 27,325,999.10 = 19,486,578.10 : x
  2. Step 2: Convert to fraction form
    19,486,578.10/27,325,999.10 = 19,486,578.10/x
  3. Step 3: Cross multiply
    19,486,578.10x = 27,325,999.10 × 19,486,578.10
  4. Step 4: Simplify right side
    19,486,578.10x = 532,490,215,622,679.75
  5. Step 5: Solve for x
    x = 532,490,215,622,679.75/19,486,578.10
  6. Step 6: Final answer
    x = 27,325,999.10

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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.