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Finding the Fourth Proportional to 19,485,005.80, 27,338,727.80 and 19,485,005.80

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Solution

The fourth proportional to 19,485,005.80, 27,338,727.80 and 19,485,005.80 is: 27,338,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485,005.80 : 27,338,727.80 = 19,485,005.80 : x
  2. Step 2: Convert to fraction form
    19,485,005.80/27,338,727.80 = 19,485,005.80/x
  3. Step 3: Cross multiply
    19,485,005.80x = 27,338,727.80 × 19,485,005.80
  4. Step 4: Simplify right side
    19,485,005.80x = 532,695,269,747,621.25
  5. Step 5: Solve for x
    x = 532,695,269,747,621.25/19,485,005.80
  6. Step 6: Final answer
    x = 27,338,727.80

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