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Finding the Fourth Proportional to 5,752,573.56, 7,938,319.41 and 3,174,220.80

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Solution

The fourth proportional to 5,752,573.56, 7,938,319.41 and 3,174,220.80 is: 4,380,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752,573.56 : 7,938,319.41 = 3,174,220.80 : x
  2. Step 2: Convert to fraction form
    5,752,573.56/7,938,319.41 = 3,174,220.80/x
  3. Step 3: Cross multiply
    5,752,573.56x = 7,938,319.41 × 3,174,220.80
  4. Step 4: Simplify right side
    5,752,573.56x = 25,197,978,588,265.73
  5. Step 5: Solve for x
    x = 25,197,978,588,265.73/5,752,573.56
  6. Step 6: Final answer
    x = 4,380,296.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.