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Finding the Fourth Proportional to 7,171,491, 9,896,657.61 and 3,952,227

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Solution

The fourth proportional to 7,171,491, 9,896,657.61 and 3,952,227 is: 5,454,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,491 : 9,896,657.61 = 3,952,227 : x
  2. Step 2: Convert to fraction form
    7,171,491/9,896,657.61 = 3,952,227/x
  3. Step 3: Cross multiply
    7,171,491x = 9,896,657.61 × 3,952,227
  4. Step 4: Simplify right side
    7,171,491x = 39,113,837,415,997.47
  5. Step 5: Solve for x
    x = 39,113,837,415,997.47/7,171,491
  6. Step 6: Final answer
    x = 5,454,073.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.