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Finding the Fourth Proportional to 43,954,420.80, 65,959,624.80 and 25,758,580.80

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Solution

The fourth proportional to 43,954,420.80, 65,959,624.80 and 25,758,580.80 is: 38,654,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,954,420.80 : 65,959,624.80 = 25,758,580.80 : x
  2. Step 2: Convert to fraction form
    43,954,420.80/65,959,624.80 = 25,758,580.80/x
  3. Step 3: Cross multiply
    43,954,420.80x = 65,959,624.80 × 25,758,580.80
  4. Step 4: Simplify right side
    43,954,420.80x = 1,699,026,324,948,483.75
  5. Step 5: Solve for x
    x = 1,699,026,324,948,483.75/43,954,420.80
  6. Step 6: Final answer
    x = 38,654,276.27

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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.