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Finding the Fourth Proportional to 11,333,022.40, 16,997,978.40 and 3,759,198.40

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Solution

The fourth proportional to 11,333,022.40, 16,997,978.40 and 3,759,198.40 is: 5,638,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333,022.40 : 16,997,978.40 = 3,759,198.40 : x
  2. Step 2: Convert to fraction form
    11,333,022.40/16,997,978.40 = 3,759,198.40/x
  3. Step 3: Cross multiply
    11,333,022.40x = 16,997,978.40 × 3,759,198.40
  4. Step 4: Simplify right side
    11,333,022.40x = 63,898,773,204,514.55
  5. Step 5: Solve for x
    x = 63,898,773,204,514.55/11,333,022.40
  6. Step 6: Final answer
    x = 5,638,281.74

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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.