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Finding the Fourth Proportional to 7,008,591.68, 9,671,843.04 and 3,952,796.48

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Solution

The fourth proportional to 7,008,591.68, 9,671,843.04 and 3,952,796.48 is: 5,454,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,591.68 : 9,671,843.04 = 3,952,796.48 : x
  2. Step 2: Convert to fraction form
    7,008,591.68/9,671,843.04 = 3,952,796.48/x
  3. Step 3: Cross multiply
    7,008,591.68x = 9,671,843.04 × 3,952,796.48
  4. Step 4: Simplify right side
    7,008,591.68x = 38,230,827,123,624.49
  5. Step 5: Solve for x
    x = 38,230,827,123,624.49/7,008,591.68
  6. Step 6: Final answer
    x = 5,454,851.54

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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.