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Finding the Fourth Proportional to 19,328,843, 28,993,439.46 and 5,865,671

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Solution

The fourth proportional to 19,328,843, 28,993,439.46 and 5,865,671 is: 8,798,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328,843 : 28,993,439.46 = 5,865,671 : x
  2. Step 2: Convert to fraction form
    19,328,843/28,993,439.46 = 5,865,671/x
  3. Step 3: Cross multiply
    19,328,843x = 28,993,439.46 × 5,865,671
  4. Step 4: Simplify right side
    19,328,843x = 170,065,977,030,777.66
  5. Step 5: Solve for x
    x = 170,065,977,030,777.66/19,328,843
  6. Step 6: Final answer
    x = 8,798,559.59

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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.