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Finding the Fourth Proportional to 54,428,338, 81,642,507 and 22,515,634

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Solution

The fourth proportional to 54,428,338, 81,642,507 and 22,515,634 is: 33,773,451

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,428,338 : 81,642,507 = 22,515,634 : x
  2. Step 2: Convert to fraction form
    54,428,338/81,642,507 = 22,515,634/x
  3. Step 3: Cross multiply
    54,428,338x = 81,642,507 × 22,515,634
  4. Step 4: Simplify right side
    54,428,338x = 1,838,232,806,454,438
  5. Step 5: Solve for x
    x = 1,838,232,806,454,438/54,428,338
  6. Step 6: Final answer
    x = 33,773,451

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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.