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Finding the Fourth Proportional to 29,409.44, 40,584.89 and 16,662.60

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Solution

The fourth proportional to 29,409.44, 40,584.89 and 16,662.60 is: 22,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,409.44 : 40,584.89 = 16,662.60 : x
  2. Step 2: Convert to fraction form
    29,409.44/40,584.89 = 16,662.60/x
  3. Step 3: Cross multiply
    29,409.44x = 40,584.89 × 16,662.60
  4. Step 4: Simplify right side
    29,409.44x = 676,249,874.62
  5. Step 5: Solve for x
    x = 676,249,874.62/29,409.44
  6. Step 6: Final answer
    x = 22,994.31

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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.