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Finding the Fourth Proportional to 29,783.22, 40,997.88 and 25,748.22

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Solution

The fourth proportional to 29,783.22, 40,997.88 and 25,748.22 is: 35,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,783.22 : 40,997.88 = 25,748.22 : x
  2. Step 2: Convert to fraction form
    29,783.22/40,997.88 = 25,748.22/x
  3. Step 3: Cross multiply
    29,783.22x = 40,997.88 × 25,748.22
  4. Step 4: Simplify right side
    29,783.22x = 1,055,622,433.77
  5. Step 5: Solve for x
    x = 1,055,622,433.77/29,783.22
  6. Step 6: Final answer
    x = 35,443.53

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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.