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Finding the Fourth Proportional to 5,894,677.20, 8,824,301.10 and 3,497,287.80

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Solution

The fourth proportional to 5,894,677.20, 8,824,301.10 and 3,497,287.80 is: 5,235,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,894,677.20 : 8,824,301.10 = 3,497,287.80 : x
  2. Step 2: Convert to fraction form
    5,894,677.20/8,824,301.10 = 3,497,287.80/x
  3. Step 3: Cross multiply
    5,894,677.20x = 8,824,301.10 × 3,497,287.80
  4. Step 4: Simplify right side
    5,894,677.20x = 30,861,120,580,556.58
  5. Step 5: Solve for x
    x = 30,861,120,580,556.58/5,894,677.20
  6. Step 6: Final answer
    x = 5,235,421.64

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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.