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Finding the Fourth Proportional to 6,561,750.60, 9,842,625.90 and 2,572,662.60

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Solution

The fourth proportional to 6,561,750.60, 9,842,625.90 and 2,572,662.60 is: 3,858,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561,750.60 : 9,842,625.90 = 2,572,662.60 : x
  2. Step 2: Convert to fraction form
    6,561,750.60/9,842,625.90 = 2,572,662.60/x
  3. Step 3: Cross multiply
    6,561,750.60x = 9,842,625.90 × 2,572,662.60
  4. Step 4: Simplify right side
    6,561,750.60x = 25,321,755,538,721.34
  5. Step 5: Solve for x
    x = 25,321,755,538,721.34/6,561,750.60
  6. Step 6: Final answer
    x = 3,858,993.90

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1.5x scale

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.