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Finding the Fourth Proportional to 5,881,605.20, 8,822,407.80 and 2,099,358.80

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Solution

The fourth proportional to 5,881,605.20, 8,822,407.80 and 2,099,358.80 is: 3,149,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881,605.20 : 8,822,407.80 = 2,099,358.80 : x
  2. Step 2: Convert to fraction form
    5,881,605.20/8,822,407.80 = 2,099,358.80/x
  3. Step 3: Cross multiply
    5,881,605.20x = 8,822,407.80 × 2,099,358.80
  4. Step 4: Simplify right side
    5,881,605.20x = 18,521,399,452,118.64
  5. Step 5: Solve for x
    x = 18,521,399,452,118.64/5,881,605.20
  6. Step 6: Final answer
    x = 3,149,038.20

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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.