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Finding the Fourth Proportional to 43,908.60, 65,861.30 and 17,606.20

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Solution

The fourth proportional to 43,908.60, 65,861.30 and 17,606.20 is: 26,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.60 : 65,861.30 = 17,606.20 : x
  2. Step 2: Convert to fraction form
    43,908.60/65,861.30 = 17,606.20/x
  3. Step 3: Cross multiply
    43,908.60x = 65,861.30 × 17,606.20
  4. Step 4: Simplify right side
    43,908.60x = 1,159,567,220.06
  5. Step 5: Solve for x
    x = 1,159,567,220.06/43,908.60
  6. Step 6: Final answer
    x = 26,408.66

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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.