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Finding the Fourth Proportional to 5,993,876.80, 8,990,815.20 and 3,432,462.40

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Solution

The fourth proportional to 5,993,876.80, 8,990,815.20 and 3,432,462.40 is: 5,148,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,993,876.80 : 8,990,815.20 = 3,432,462.40 : x
  2. Step 2: Convert to fraction form
    5,993,876.80/8,990,815.20 = 3,432,462.40/x
  3. Step 3: Cross multiply
    5,993,876.80x = 8,990,815.20 × 3,432,462.40
  4. Step 4: Simplify right side
    5,993,876.80x = 30,860,635,119,348.48
  5. Step 5: Solve for x
    x = 30,860,635,119,348.48/5,993,876.80
  6. Step 6: Final answer
    x = 5,148,693.60

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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.