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Finding the Fourth Proportional to 6,589,308.07, 9,890,353.55 and 3,179,994.13

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Solution

The fourth proportional to 6,589,308.07, 9,890,353.55 and 3,179,994.13 is: 4,773,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589,308.07 : 9,890,353.55 = 3,179,994.13 : x
  2. Step 2: Convert to fraction form
    6,589,308.07/9,890,353.55 = 3,179,994.13/x
  3. Step 3: Cross multiply
    6,589,308.07x = 9,890,353.55 × 3,179,994.13
  4. Step 4: Simplify right side
    6,589,308.07x = 31,451,266,232,624.66
  5. Step 5: Solve for x
    x = 31,451,266,232,624.66/6,589,308.07
  6. Step 6: Final answer
    x = 4,773,075.70

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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.