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Finding the Fourth Proportional to 43,935, 65,910.78 and 17,641.80

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Solution

The fourth proportional to 43,935, 65,910.78 and 17,641.80 is: 26,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,935 : 65,910.78 = 17,641.80 : x
  2. Step 2: Convert to fraction form
    43,935/65,910.78 = 17,641.80/x
  3. Step 3: Cross multiply
    43,935x = 65,910.78 × 17,641.80
  4. Step 4: Simplify right side
    43,935x = 1,162,784,798.60
  5. Step 5: Solve for x
    x = 1,162,784,798.60/43,935
  6. Step 6: Final answer
    x = 26,466.02

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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.