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Finding the Fourth Proportional to 43,506.37, 65,259.60 and 11,914.12

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Solution

The fourth proportional to 43,506.37, 65,259.60 and 11,914.12 is: 17,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,506.37 : 65,259.60 = 11,914.12 : x
  2. Step 2: Convert to fraction form
    43,506.37/65,259.60 = 11,914.12/x
  3. Step 3: Cross multiply
    43,506.37x = 65,259.60 × 11,914.12
  4. Step 4: Simplify right side
    43,506.37x = 777,510,705.55
  5. Step 5: Solve for x
    x = 777,510,705.55/43,506.37
  6. Step 6: Final answer
    x = 17,871.19

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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.