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Finding the Fourth Proportional to 26,092,978.20, 39,120,804.90 and 11,704,267.80

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Solution

The fourth proportional to 26,092,978.20, 39,120,804.90 and 11,704,267.80 is: 17,548,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,092,978.20 : 39,120,804.90 = 11,704,267.80 : x
  2. Step 2: Convert to fraction form
    26,092,978.20/39,120,804.90 = 11,704,267.80/x
  3. Step 3: Cross multiply
    26,092,978.20x = 39,120,804.90 × 11,704,267.80
  4. Step 4: Simplify right side
    26,092,978.20x = 457,880,377,101,152.25
  5. Step 5: Solve for x
    x = 457,880,377,101,152.25/26,092,978.20
  6. Step 6: Final answer
    x = 17,548,030.49

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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.