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Finding the Fourth Proportional to 11,763,756.30, 17,645,634.45 and 11,763,756.30

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Solution

The fourth proportional to 11,763,756.30, 17,645,634.45 and 11,763,756.30 is: 17,645,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763,756.30 : 17,645,634.45 = 11,763,756.30 : x
  2. Step 2: Convert to fraction form
    11,763,756.30/17,645,634.45 = 11,763,756.30/x
  3. Step 3: Cross multiply
    11,763,756.30x = 17,645,634.45 × 11,763,756.30
  4. Step 4: Simplify right side
    11,763,756.30x = 207,578,943,428,684.53
  5. Step 5: Solve for x
    x = 207,578,943,428,684.53/11,763,756.30
  6. Step 6: Final answer
    x = 17,645,634.45

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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.