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Finding the Fourth Proportional to 19,586,166.20, 27,448,976.20 and 19,586,166.20

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Solution

The fourth proportional to 19,586,166.20, 27,448,976.20 and 19,586,166.20 is: 27,448,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,166.20 : 27,448,976.20 = 19,586,166.20 : x
  2. Step 2: Convert to fraction form
    19,586,166.20/27,448,976.20 = 19,586,166.20/x
  3. Step 3: Cross multiply
    19,586,166.20x = 27,448,976.20 × 19,586,166.20
  4. Step 4: Simplify right side
    19,586,166.20x = 537,620,209,873,044.38
  5. Step 5: Solve for x
    x = 537,620,209,873,044.38/19,586,166.20
  6. Step 6: Final answer
    x = 27,448,976.20

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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.