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Finding the Fourth Proportional to 54,428,340, 81,642,510 and 22,515,636

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Solution

The fourth proportional to 54,428,340, 81,642,510 and 22,515,636 is: 33,773,454

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,428,340 : 81,642,510 = 22,515,636 : x
  2. Step 2: Convert to fraction form
    54,428,340/81,642,510 = 22,515,636/x
  3. Step 3: Cross multiply
    54,428,340x = 81,642,510 × 22,515,636
  4. Step 4: Simplify right side
    54,428,340x = 1,838,233,037,286,360
  5. Step 5: Solve for x
    x = 1,838,233,037,286,360/54,428,340
  6. Step 6: Final answer
    x = 33,773,454

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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.