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Finding the Fourth Proportional to 35,335.90, 48,766.44 and 21,188.44

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Solution

The fourth proportional to 35,335.90, 48,766.44 and 21,188.44 is: 29,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.90 : 48,766.44 = 21,188.44 : x
  2. Step 2: Convert to fraction form
    35,335.90/48,766.44 = 21,188.44/x
  3. Step 3: Cross multiply
    35,335.90x = 48,766.44 × 21,188.44
  4. Step 4: Simplify right side
    35,335.90x = 1,033,284,809.18
  5. Step 5: Solve for x
    x = 1,033,284,809.18/35,335.90
  6. Step 6: Final answer
    x = 29,241.78

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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.