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Finding the Fourth Proportional to 16,609,164.60, 24,890,418.90 and 13,203,276.60

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Solution

The fourth proportional to 16,609,164.60, 24,890,418.90 and 13,203,276.60 is: 19,786,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,609,164.60 : 24,890,418.90 = 13,203,276.60 : x
  2. Step 2: Convert to fraction form
    16,609,164.60/24,890,418.90 = 13,203,276.60/x
  3. Step 3: Cross multiply
    16,609,164.60x = 24,890,418.90 × 13,203,276.60
  4. Step 4: Simplify right side
    16,609,164.60x = 328,635,085,426,567.69
  5. Step 5: Solve for x
    x = 328,635,085,426,567.69/16,609,164.60
  6. Step 6: Final answer
    x = 19,786,370.56

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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.