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Finding the Fourth Proportional to 43,754,513.80, 65,631,770.70 and 11,841,809.80

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Solution

The fourth proportional to 43,754,513.80, 65,631,770.70 and 11,841,809.80 is: 17,762,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,754,513.80 : 65,631,770.70 = 11,841,809.80 : x
  2. Step 2: Convert to fraction form
    43,754,513.80/65,631,770.70 = 11,841,809.80/x
  3. Step 3: Cross multiply
    43,754,513.80x = 65,631,770.70 × 11,841,809.80
  4. Step 4: Simplify right side
    43,754,513.80x = 777,198,945,466,613
  5. Step 5: Solve for x
    x = 777,198,945,466,613/43,754,513.80
  6. Step 6: Final answer
    x = 17,762,714.70

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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.