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Finding the Fourth Proportional to 3,909,582.52, 5,392,024.67 and 2,751,861.26

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Solution

The fourth proportional to 3,909,582.52, 5,392,024.67 and 2,751,861.26 is: 3,795,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,582.52 : 5,392,024.67 = 2,751,861.26 : x
  2. Step 2: Convert to fraction form
    3,909,582.52/5,392,024.67 = 2,751,861.26/x
  3. Step 3: Cross multiply
    3,909,582.52x = 5,392,024.67 × 2,751,861.26
  4. Step 4: Simplify right side
    3,909,582.52x = 14,838,103,822,697
  5. Step 5: Solve for x
    x = 14,838,103,822,697/3,909,582.52
  6. Step 6: Final answer
    x = 3,795,316.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.