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Finding the Fourth Proportional to 21,796.58, 32,691.75 and 7,003.55

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Solution

The fourth proportional to 21,796.58, 32,691.75 and 7,003.55 is: 10,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,796.58 : 32,691.75 = 7,003.55 : x
  2. Step 2: Convert to fraction form
    21,796.58/32,691.75 = 7,003.55/x
  3. Step 3: Cross multiply
    21,796.58x = 32,691.75 × 7,003.55
  4. Step 4: Simplify right side
    21,796.58x = 228,958,305.71
  5. Step 5: Solve for x
    x = 228,958,305.71/21,796.58
  6. Step 6: Final answer
    x = 10,504.32

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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.